BRIDGE STANDARD PLANS AND SPECIAL DETAILS

ADAM LANCASTER, P.E. FEB. 27, 2018

NEW PUBLICATIONS

2016 LOUISIANA STANDARD SPECIFICATIONS FOR ROADS AND BRIDGES

M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS GUARD RAIL RETROFIT SPECIAL DETAILS

GUARD RAIL T-INTERSECTION SPECIAL DETAILS

SLAB SPAN SPECIAL DETAILS

CONCRETE SURFACE FINISH SPECIAL DETAILS

CONCRETE PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS

REVISIONS TO APPROACH SLAB SPECIAL DETAILS

UPCOMING PUBLICATIONS

M.A.S.H. GUARD RAIL FOR MEDIAN AND SHOULDER APPLICATIONS

M.A.S.H. MEDIAN CONCRETE BARRIER

M.A.S.H. TEMPORARY PRECAST BARRIER

M.A.S.H. 36” TALL SINGLE-SLOPE CONCRETE BRIDGE BARRIER

PREFORMED SILICONE SEAL

20’ LONG APPROACH SLAB SPECIAL DETAILS

LG AND LU PRECAST PRESTRESSED CONCRETE GIRDERS

UPDATES TO PRECAST DETOUR BRIDGE, ROADSIDE TRAFFIC SIGNS, ETC.

2016 STANDARD SPECIFICATIONS

CURRENT BRIDGE DESIGN STANDARD PLANS AND SPECIAL DETAILS: 331 TOTAL INDIVIDUAL SHEETS

35 STANDARD PLANS

296 SPECIAL DETAILS

100+ ADDITIONAL NEW SHEETS ARE CURRENTLY PLANNED/ UNDER DEVELOPMENT

226 SHEETS WERE AFFECTED BY THE 2016 SPECIFICATIONS: PAY ITEM NAMES AND/OR NUMBERS

SPECIFICATION SECTION/SUBSECTION NUMBERS

CONCRETE CLASS CALLOUTS

B.D. INDEXING AND GENERAL SHEET ORGANIZATION

M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS

M.A.S.H. – MANUAL FOR ASSESSING SAFETY HARDWARE, 2ND ED.

AASHTO / FHWA JOINT IMPLEMENTATION AGREEMENT – DEC. 2015

BEGINNING JAN. 1, 2018: NEW GUARD RAIL PERMANENT INSTALLATIONS AND FULL REPLACEMENTS ON THE N.H.S. MUST BE

MASH COMPLIANT

M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS

ON-SYSTEM MASH GUARD RAIL – 11 SHEETS SUPERCEDES GR-200

OFF-SYSTEM MASH GUARD RAIL – 1 SHEET SUPERCEDES GR-203

BOX-CULVERT MASH GUARD RAIL – 1 SHEET SUPERCEDES GR-202

M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS

NOTABLE CHANGES FROM PREVIOUS G.R. STANDARDS: TOP OF G. R. HEIGHT RAISED TO 31” ABOVE PAVEMENT (PREVIOUSLY 28”)

G.R. SPLICES - OCCUR BETWEEN POSTS (PREVIOUSLY LOCATED ON POSTS)

THRIE BEAM RAIL - ONLY USED AT THE BRIDGE RAIL TRANSITION

TRAILING END EXTENDS 37’-6” (PLUS THE LENGTH OF THE ROUNDED END) BEYOND THE HAZARD

90-DEGREE T-INTERSECTION DETAIL - REMOVED FROM STANDARDS

SPECIAL DETAIL CREATED - TO BE USED BY SPECIAL PERMISSION/ DESIGN WAIVER ONLY

G.R. DESIGN TABLES AND EQUATIONS - REMOVED FROM THE PLANS

REFER TO THE ROADSIDE DESIGN GUIDE AND THE DOTD BRIDGE DESIGN AND EVALUATION MANUAL

REFER TO BRIDGE DESIGN TECH. MEMO 76.1

GUARD RAIL REHABILITATION SPECIAL DETAILS

NOTABLE CHANGES FROM PREVIOUS G.R. RETROFIT DETAILS: G.R. HEIGHT REVISED TO MATCH MASH STANDARD PLANS

NOTES REFER TO MASH HIGHWAY GUARDRAIL STANDARD PLANS

BOX CULVERT RETROFIT DETAILS REMOVED FROM THE SET

90-DEGREE T-INTERSECTION DETAIL ADDED

TO BE USED BY SPECIAL PERMISSION/ DESIGN WAIVER ONLY

REFER TO BRIDGE DESIGN TECH. MEMO 76.1 FOR MORE INFORMATION, INCLUDING GUIDANCE ON APPLICABILITY

NEW SLAB SPAN SPECIAL DETAILS

NEW APPROACH SLAB DESIGN FORCED A REDESIGN OF THE END BENTS FOR SLAB SPAN BRIDGES

ADDITIONAL CRITERIA USED IN REDESIGN SPAN-TO-DEPTH RATIO – AASHTO/ DOTD B.D.E.M.

NEW CLEAR COVER REQUIREMENTS FOR REINFORCING STEEL – DOTD B.D.E.M.

NEW MASH 36” SINGLE-SLOPE BARRIER

WARRANTED A COMPLETE REDESIGN OF THE ON-SYSTEM SLAB SPAN SET

NEW SLAB SPAN SPECIAL DETAILS

(4) COMMON DETAILS SHEETS TO BE USED WITH EVERY SET OF PLANS

SHT. 1 OF 1 – GENERAL NOTES AND INDEX OF SLAB SPAN SHEETS

NEW SLAB SPAN SPECIAL DETAILS SHT. 1 OF 1 – INDEX OF SLAB SPAN SHEETS

SLAB SPAN COMMON DETAILS

SHT. 2 OF 4:

AS-DESIGNED

BRIDGE RATINGS

SLAB SPAN COMMON DETAILS

SHT. 3 OF 4: MISC. COMMON SLAB DETAILS

SLAB SPAN COMMON DETAILS

SHT. 3 OF 4: COMMON BENT REINFORCING DETAILS

SLAB SPAN COMMON DETAILS

SHT. 4 OF 4:

MISC. COMMON

BENT DETAILS

SLAB SPAN SPECIFIC DETAILS – SPAN DETAILS

SLAB SPAN SPECIFIC DETAILS – SPAN QUANTITIES

SLAB SPAN SPECIFIC DETAILS – END BENT

SLAB SPAN SPECIFIC DETAILS – INTERMEDIATE BENT

SLAB SPAN SPECIAL DETAILS REQUIRED SHEETS FOR SLAB SPAN BRIDGES: COMMON DETAILS – 4 SHEETS

SPAN DETAILS – 1 SHEET

SPAN QUANTITIES – 1 SHEET

END BENT DETAILS/ QUANTITIES – 1 SHEET

INTERMEDIATE BENT DETAILS/ QUANTITIES – 1 SHEET

REFER TO BDTM.80

CONCRETE SURFACE FINISH SPECIAL DETAIL 2016 STANDARD SPECIFICATIONS – SECTION 805.08 SURFACES TO RECEIVE A CLASS 2 AND/OR CLASS 3 FINISH WILL BE AS SPECIFIED IN THE PLANS

CONCRETE SURFACE FINISH SPECIAL DETAIL SHEET 2 OF 2 – QUANTITIES TABLE TO BE FILLED OUT BY E.O.R.

REFER TO BDTM.72

PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS

SHT. 1 OF 4: GEN. NOTES AND INDEX

PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS

SHT. 2 OF 4: REHAB OF EXISTING JOINT

PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS

SHT. 3 OF 4: CONSTRUCTION OF NEW JOINT

PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS

SHT. 4 OF 4: REHAB OF EXISTING JOINT @ APPROACH SLAB

REFER TO BDTM.64

REVISION OF APPROACH SLAB SPECIAL DETAILS

APPROACH SLABS FOR SLAB SPAN/QUAD BEAM BRIDGES WIDTH WAS PREVIOUSLY THE CLEAR WIDTH PLUS 1’-0” (6” ON EACH SIDE TO CARRY THE CURB)

REMOVED THE EXTRA 1’-0”. CURB DETAIL REVISED TO BE CARRIED ON THE SIDE OF THE SLAB

REMOVED 6” SACRIFICIAL SECTION FOR SLAB SPAN/QUAD BEAM APPROACH SLABS

REVISION OF APPROACH SLAB SPECIAL DETAILS

REMOVED 2” LAYER OF ASPHALT FROM SLABS ADJACENT TO ASPHALT ROADWAYS REVISED JOINT DETAIL BETWEEN ASPHALT ROADWAY AND APPROACH SLAB

REFER TO BDTM.74

PLANNED UPCOMING PUBLICATIONS MASH GUARD RAIL FOR MEDIAN AND SHOULDER APPLICATIONS THIS WILL SUPERCEDE GR-201

MASH MEDIAN CONCRETE BARRIER

MASH TEMPORARY PRECAST BARRIER

PLANNED UPCOMING PUBLICATIONS MASH 36” TALL SINGLE-SLOPE CONCRETE BRIDGE BARRIER – TL-4

AASHTO/ FHWA JOINT IMPLEMENTATION AGREEMENT: DEC. 31, 2019

PLANNED UPCOMING PUBLICATIONS PREFORMED SILICONE SEAL

PLANNED UPCOMING PUBLICATIONS 20’ LONG APPROACH SLABS

PLANNED UPCOMING PUBLICATIONS LG GIRDERS AND LU GIRDERS

PLANNED UPCOMING PUBLICATIONS

PLANNED UPDATES: PRECAST PANEL DETOUR BRIDGE

ROADSIDE TRAFFIC SIGNS

RETAINING WALL

YEAR PLATE

STEEL WIRE BAR SUPPORT

ETC.