resource roads group, fpinnovations the ‘road load rating ... · bridge capacity signage...
TRANSCRIPT
Alla
n B
radle
y, R
.P.F
., P
.Eng.
Resourc
e R
oads G
roup, F
PIn
novations
Ne
w F
SR
bri
dg
e s
ign
ag
e a
nd
the
‘R
oad
Lo
ad
Rati
ng
’ co
ncep
t
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ou
tlin
e
1.
Sp
ea
ke
r/ m
od
era
tor
intr
odu
ction
s
2.
Bridge c
apacity load lim
its
3.
Ne
w b
ridg
e c
ap
acity s
ign
ag
e
4.
Th
e “
Ro
ad L
oa
d C
apa
city”
co
nce
pt
2
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
lo
ad
lim
its
fo
r re
so
urc
e
road
bri
dg
es a
re n
ot
well u
nd
ers
too
d
B
rid
ge
ca
pa
city s
ign
ag
e h
isto
rica
lly a
nd
cu
rre
ntly in
ad
eq
ua
te
Im
plic
ations o
f concentr
ate
d loads (
i.e.,
short
loads a
nd
tra
cke
d v
ehic
les)
no
t w
ell
unders
tood
F
ocus is o
n G
VW
– n
ot unders
tandin
g t
hat th
is is b
ased o
n a
desig
n v
ehic
le c
onfig
ura
tio
n
R
eso
urc
e r
oads a
re incre
asin
gly
bein
g u
sed b
y m
inin
g,
oil
&
ga
s, a
nd c
lean e
nerg
y p
roje
cts
R
ea
l co
ncern
for
ove
rloadin
g o
f bridges
A
ne
w m
eth
odolo
gy f
or
posting o
f bridges is r
equired
3
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Very
heavy lo
ad
s u
sed
by n
on
-fo
restr
y
users
of
FS
Rs
4
82 t
GC
W. Tandem
axle
jeep left
at
sid
e o
f hig
hw
ay
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
5 C
on
cen
tra
ted
loa
din
g
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ne
w t
ruc
k c
on
fig
ura
tio
ns
6
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
FS
R c
ap
ac
ity
sig
ns
7
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
De
term
inin
g t
he
Sa
fe L
oa
d L
imit
A
naly
sis
ba
se
d o
n b
road
scale
scre
enin
g r
ath
er
tha
n d
esig
ns o
f in
div
idu
al b
rid
ge
s.
F
orc
e e
ffects
of
actu
al tr
ucks w
ere
co
mpa
red
ag
ain
st m
axim
um
de
sig
n v
eh
icle
fo
rce e
ffects
to
en
su
re th
at de
sig
ns w
ere
su
ffic
ient.
T
he liv
e loa
d f
acto
rs for
L-7
5, L
-10
0 a
nd
L-1
50
bri
dge
co
mpo
ne
nts
were
fou
nd
to
va
ry a
nd s
om
e
were
in
ad
eq
ua
te.
8
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
To h
ave
a s
ingle
liv
e loa
d f
acto
r fo
r th
e L
-se
rie
s
de
sig
n v
eh
icle
s, B
&T
re
co
mm
en
de
d c
han
ge
s t
o
GV
W a
nd
weig
ht
dis
trib
ution
s.
B
&T
re
co
mm
en
de
d t
ha
t sin
gle
, ta
nd
em
, tr
ide
m
axle
gro
up loa
ds fo
r th
e L
-se
rie
s v
ehic
les b
e
ch
an
ge
d t
o 2
0%
, 3
9%
, a
nd
43
% o
f G
VW
in
ste
ad
of as p
ort
rayed
in
th
e c
urr
ent
L-s
erie
s d
esig
n
ve
hic
les.
T
he
ne
w d
esig
n v
eh
icle
we
igh
ts w
ere
use
d t
o
de
term
ine
sa
fe loa
d lim
its fo
r G
VW
and
axle
load
s,
an
d c
on
ce
ntr
ate
d loa
ds.
De
term
inin
g t
he
Sa
fe L
oa
d L
imit
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
Fa
cto
rs
A
naly
ses c
ond
ucte
d w
ith
co
mpa
rison
s o
f fo
rce
effects
(she
ar
an
d b
en
din
g m
om
ent)
.
L
oa
d f
acto
rs (
LL,
DLA
, D
F)
were
the
sam
e fo
r m
ost
de
sig
n v
ehic
les.
S
6-0
0 s
pecifie
s L
L =
1.7
0 fo
r β
= 3
.75
ho
wever
log
tru
ck tra
ffic
we
igh
ts a
re b
ett
er
co
ntr
olle
d t
ha
n
no
rma
l (P
A)
traffic
.
A
naly
sis
assu
med
NP
tra
ffic
an
d lo
wer
LL v
alu
es.
D
ea
d lo
ad
wa
s ig
no
red
in
co
mp
ari
so
ns o
f ve
hic
le
forc
e e
ffects
.
10
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Su
mm
ary
of
loa
d f
ac
tors
11
•A
ssum
es a
nnual perm
it (
PA
) tr
affic
inste
ad o
f norm
al (N
P)
tra
ffic
•Lack o
f L
L,
DLA
or
DF
data
for
tracked v
ehic
les
•T
racked v
ehic
les a
ssum
ed t
o h
ave little w
eig
ht
variation s
o L
L =
1.3
0;
20%
low
er
DLA
used to r
eflect
slo
w t
ravel, s
hort
spans, no a
xle
gro
ups
Desig
n V
eh
icle
D
esig
n L
ive L
oad
Facto
r
Dyn
am
ic L
oad
Allo
wan
ce
Dis
trib
uti
on
Facto
r
MO
F L-
Seri
es
1.6
0
30
%
0.6
9
BC
L-6
25
, LO
H, H
OH
1
.50
3
0%
0
.69
A
xle
gro
up
s (t
rid
em,
tan
dem
, sin
gle)
1
.50
to
1.6
0
30
%
0.6
9
Sho
rt t
ruck
1
.60
3
0%
0
.69
Tr
acke
d e
qu
ipm
ent
on
2
gird
er f
ore
stry
bri
dge
1
.30
3
0%
0
.69
Trac
ked
eq
uip
men
t o
n
slab
or
log
stri
nge
rs
1.3
0
24
%
0.6
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
12
Note
s:
a.
GV
W loa
d lim
its a
re lim
ite
d t
o h
isto
ric leve
ls a
nd
rou
nd
ed to
th
e n
ea
rest
ton
ne
.
b.
Axle
gro
up
loa
d lim
its a
re incre
ase
d fro
m h
isto
ric leve
ls a
nd
rou
nd
ed to
th
e n
ea
rest ½
to
nn
e.
c.
Tra
cke
d v
eh
icle
GV
W loa
d lim
its a
pp
ly to
co
ncre
te s
lab
or
gra
ve
l-lo
g-s
trin
ge
r b
rid
ge
s. D
esig
n loa
d lim
its f
or
tracke
d v
eh
icle
s o
n typ
ical 2
-gird
er
fore
str
y b
rid
ge
s c
an
be
incre
ase
d f
rom
th
e lim
its s
ho
wn b
y 1
9%
.
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
MO
F L
-Se
ries:
GV
W a
nd
axle
gro
up
load
lim
its f
or
L-1
00
A
ssu
med
tha
t G
VW
L
L =
1.6
0 o
rig
inally
.
K
ep
t G
VW
lo
ad
lim
its a
t h
isto
ric 9
1 t
le
ve
l d
esp
ite
B&
T r
eco
mm
en
din
g 6
.7%
hig
her
va
lues (
i.e.,
1.6
/1.5
).
B
&T
fo
un
d t
ha
t sin
gle
, ta
nd
em
, tr
ide
m a
xle
gro
up
load
s f
or
5 a
xle
tru
cks w
ere
20
%, 3
7%
, an
d 4
0%
of
GV
W inste
ad o
f as p
ort
raye
d in
cu
rren
t L
-se
rie
s
de
sig
n v
eh
icle
s.
6
.7%
hig
he
r a
xle
gro
up
lo
ad
lim
its w
ere
sp
ecifie
d
(e.g
., tan
de
m lo
ad
= 3
6.0
t =
37
% x
91
t x
1.0
67
).
1
3
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
L-1
00
de
sig
n v
eh
icle
14
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
15
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
BC
L-6
25
6
4
9.0
1
7.0
2
4.0
3
3
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31.0
58.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
LO
H a
nd
HO
H d
es
ign
ve
hic
les
L
OH
and
HO
H w
ere
derive
d fro
m lo
g t
ruck
data
analy
sis
(2000-0
3);
FLN
RO
is r
evie
win
g
them
with
mo
re r
ece
nt w
eig
h s
ca
le d
ata
.
In
tent
is to
have
lig
ht
off-h
igh
wa
y v
eh
icle
and
heavy o
ff-h
ighw
ay v
ehic
le w
ell
matc
hed to
actu
al tr
affic
.
G
oin
g fo
rward
wo
uld
ph
ase
out L-1
65
, L-1
50
,
L-1
00
, L-7
5 a
nd
on
ly u
se
BC
L-6
25
, H
OH
,
LO
H.
16
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
17
Note
: H
OH
GV
W is 5
% a
nd 1
4%
lig
hte
r th
an L
-150 a
nd L
-165
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
BC
L-6
25
GV
W a
nd
axle
gro
up
lo
ad
lim
its
A
s s
pe
cifie
d in
th
e C
om
me
rcia
l T
ransp
ort
Act
and c
onsis
tent w
ith M
OT
I specific
ations.
U
se
d o
n r
oute
s c
on
ne
cte
d to
hig
hw
ays.
A
ltho
ug
h c
ap
acity m
ay b
e u
nde
rsta
ted
fo
r lo
g
hau
ling v
eh
icle
s, it is w
ell
su
ite
d to
hig
hw
ay
tra
ffic
with
more
va
ria
ble
lo
ad
ing
(N
P typ
e).
18
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
19
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sh
ort
tru
ck
lo
ad
lim
it
In
lie
u o
f stu
die
s, L
L,
DL
A a
nd
DF
sa
me a
s
log tru
cks.
G
VW
lo
ad
lim
it f
ou
nd
with
rela
tive
co
mpa
riso
ns o
f sh
ear
and
fle
xu
re to
desig
n
bridge c
apacity.
20
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
21
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sh
ort
tru
ck lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
sh
ea
r.
22
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sh
ort
tru
ck lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
fle
xu
re.
23
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
ck
ed
ve
hic
le lo
ad
lim
it
A
ssu
mp
tio
n: 4
m-lo
ng
tra
ck c
on
tact le
ng
th
and u
niform
loadin
g o
ver
this
length
.
L
L =
1.3
0 (
no p
aylo
ad, p
red
icta
ble
GV
W)
D
LA
= 0
.30 (
2 g
irde
r), 0
.23
(sla
b, g
rave
l-o
ve
r)
D
F =
0.5
5 (
tra
ck d
ow
n c
en
tre, n
o tu
rnin
g)
G
VW
lo
ad
lim
it f
ou
nd
with
rela
tive
com
parisons o
f shear
and fle
xure
to d
esig
n
bridg
e c
ap
acity.
24
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
25
Note
: T
rac
ke
d v
eh
icle
GV
W l
oa
d lim
its a
pp
ly t
o c
on
cre
te s
lab
or
gra
ve
l-lo
g-s
trin
ger
bri
dg
es
. D
es
ign
lo
ad
lim
its f
or
tra
ck
ed
ve
hic
les
on
typ
ica
l 2
-gir
de
r fo
res
try b
rid
ge
s c
an
be in
cre
as
ed
fro
m t
he l
imit
s s
ho
wn
by
19
%.
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
cke
d v
eh
icle
lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
sh
ea
r.
26
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
cke
d v
eh
icle
lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
fle
xu
re.
27
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
ck
ed
Ve
hic
les
C
on
ce
rn: L-1
65
not
sh
ow
n to
be c
ap
ab
le o
f
support
ing c
oncentr
ate
d load o
f heavie
st
ya
rde
rs (
90 -
11
5 t
).
O
ption
to
desig
n h
igh
er
ca
pacity n
ew
sp
ans
and u
p-r
ate
exis
ting s
pans b
y fie
ld r
ating p
er
CH
BD
C S
ection
14.
28
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Recap
: L
oad
lim
its f
or
B.C
. fo
restr
y b
rid
ges
29
•M
OF
L-S
erie
s G
VW
rem
ain
at h
isto
ric leve
ls.
•In
trod
ucin
g n
ew
LO
H a
nd
HO
H b
rid
ge
de
sig
ns (
loa
d lim
its t
o b
e v
erified
fo
r cu
rre
nt lo
ad
ings).
•S
um
of
axle
loa
ds m
ay e
xce
ed
allo
wa
ble
GV
W.
•S
ho
rt tru
ck a
nd
tra
cke
d e
qu
ipm
ent co
nce
ntr
ate
loa
din
g a
nd
ne
ed
sp
ecia
l tr
ea
tme
nt.
•In
cre
ase
loa
d lim
its f
or
tracke
d e
qu
ipm
ent b
y 1
9%
if
for
sla
b o
r gra
ve
l-o
ve
r-lo
g-s
trin
ge
r fo
restr
y b
rid
ge
s.
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
sig
n f
orm
at
30
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
sig
n f
orm
at
O
rig
ina
l (e
xis
tin
g)
load
lim
it s
igns a
re
inadequate
.
L-s
erie
s b
ridg
e d
esig
n v
eh
icle
s n
o lon
ge
r lo
ok
like
mo
st lo
g t
rucks a
nd
oth
er
ve
hic
les o
n
FS
Rs.
N
ee
d to
allo
w r
oa
d u
se
rs to
re
late
bridg
e
ratin
gs to
th
eir o
wn
ve
hic
les.
N
eed a
way to a
ddre
ss v
ariable
vehic
le
co
nfig
ura
tio
ns.
31
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
sig
n f
orm
at
32
So
me
co
mm
on
fo
rma
ts
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Fu
ll s
ign
fo
rma
t
33
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sig
n f
orm
at
for
L-4
5 b
rid
ge
s
L-4
5 n
ot
su
ffic
ient fo
r
most tr
uck G
VW
L-4
5 s
uffic
ient fo
r so
me
sh
ort
tru
cks a
nd
tra
cke
d
vehic
les
L
oa
d lim
it =
min
imum
of
sh
ort
tru
ck a
nd
tra
cke
d
vehic
le load lim
its (
26 t).
U
p-r
ate
with
fie
ld r
atin
g?
34
26
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sig
n f
orm
at
for
do
wn
-ra
ted
bri
dg
es
E
xis
tin
g s
ign
fo
rma
ts fo
r d
ow
n-r
ate
d b
ridg
es
35
21
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
36
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
N
ot p
racticab
le o
r usefu
l to
post eve
ry b
rid
ge
on
a
route
with
lim
its
R
oa
d s
yste
ms t
yp
ica
lly d
esig
ne
d t
o s
pe
cifie
d d
esig
n
ve
hic
le loa
din
g (
e.g
., L
-10
0)
O
ne b
rid
ge
ra
tin
g p
er
ne
twork
. P
oste
d b
rid
ge
ca
pa
city s
ign
s a
re t
ha
t o
f lo
we
st
ca
pa
city b
rid
ge
s o
n
the
ne
twork
.
C
oncep
t is
sa
me a
s u
sed
fo
r P
rovin
cia
l h
ighw
ays
wh
ere
lo
ad
lim
its a
re d
escri
be
d in
re
gu
latio
ns o
nly
an
d b
rid
ge
s a
re g
oo
d f
or
all
tru
cks. O
nly
do
wn
-ra
ted
str
uctu
res a
nd h
ea
vy h
aul ro
ute
s.
37
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
- d
isc
us
sio
n
P
ost e
xce
ptio
ns b
esid
e n
etw
ork
ra
tin
g s
ign
▫L
ow
ca
pa
city b
rid
ge
s a
nd
do
wn
-ra
ted
bri
dg
es.
▫M
ay b
e c
on
fusin
g if m
any e
xce
ption
s.
▫A
lso
po
st exce
ption
s a
t th
e b
rid
ge
.
S
plit
ne
two
rk a
nd
po
st ra
tin
g s
ign
s fo
r e
ach
▫P
ostin
g a
pp
lies f
rom
KM
x to K
M y
of
FS
R
38
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g C
on
cep
t –
so
me o
f
su
rvey
feed
back
C
on
ce
pt
makes s
ense a
nd is tim
ely
response t
o r
apid
ind
ustr
ial g
row
th in n
ort
h.
N
ot
su
re that new
sig
ns w
ill a
llevia
te o
verloadin
g p
roble
m –
ma
y o
nly
cost extr
a $
.
C
ap
acity s
igns m
ay c
hange b
y s
eason –
con
fusin
g! M
ay b
e
bett
er
to m
ake
all
bridg
es m
ee
t m
inim
um
ca
pa
city.
Lo
cate
new
sig
n s
om
ew
here
safe
to s
top, ne
ar
PoC
, and
whe
re t
rucks c
an tu
rn a
round.
S
om
e n
etw
ork
s a
re inte
r-connecte
d a
nd w
ill r
equire s
igns a
t
all
entr
ance
s.
S
ign
s m
ust
cle
arly d
elin
eate
applic
able
port
ion o
f netw
ork
.
39
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Us
e P
erm
its
C
on
sis
tency w
ith inclu
sio
n in r
oad u
se p
erm
it d
ocum
enta
tion
(Se
ctio
n 2
Conditio
ns o
f U
se).
B
ett
er
art
icu
late
s loa
din
g lim
ita
tio
ns f
or
veh
icle
typ
es.
In
cre
ases d
issem
ination o
f safe
vehic
le w
eig
hts
inclu
din
g
sh
ort
tru
ck a
nd t
racked e
quip
ment
whic
h a
ren’t c
urr
ently
be
ing
captu
red o
r used.
C
ou
ld b
e u
sed t
o d
eta
il w
hat
part
of ro
ads t
hat ro
ad load
ratin
g a
pplie
s t
o (
if m
ix o
f F
SR
& R
UP
).
In
form
oth
er
road u
sers
thru
cuttin
g p
erm
its,
constr
uction
co
ntr
acts
, B
CT
S b
idd
ing info
rma
tion
, ro
ad
sig
nag
e,
and
loca
l
roa
d s
afe
ty c
om
mitte
es.
40
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Re
ca
p:
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
O
pp
ort
unity to
in
clu
de in
form
ro
ad
use
rs
about safe
tru
ck w
eig
hts
and w
hat part
s o
f
road
netw
ork
th
at ro
ad
lo
ad
ra
ting
app
lies t
o.
In
form
oth
er
road
use
rs th
ru c
utt
ing
perm
its,
constr
uction c
ontr
acts
, B
CT
S b
iddin
g
info
rmation
, ro
ad
sig
nag
e, a
nd
lo
ca
l ro
ad
sa
fety
co
mm
itte
es.
41
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Qu
es
tio
ns
an
d D
isc
us
sio
n
42
ww
w.fpin
novations.c
a
Fo
llow
us o
n
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Th
an
k y
ou
For
more
info
rmation p
lease
conta
ct:
Alla
n B
rad
ley a
t (6
04
) 2
22
-5667 A
llan
.Bra
dle
y@
fpin
no
va
tio
ns.c
a
Bri
an C
how
at
(250)
953
-4370
B
rian.C
how
@gov.
bc.c
a
Als
o s
ee
the r
oad load
rating p
roje
ct
on the F
LN
RO
Engin
eering
Bra
nch w
ebsite
htt
ps:/
/ww
w.f
or.
go
v.b
c.c
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ng
ineeri
ng
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ert
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