2011 spring flooding - montanaleg.mt.gov/content/committees/interim/2011-2012... · secondary 348,...

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2011 Spring Flooding Director Jim Lynch Montana Department of Transportation June 15 th 2011

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Page 1: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

2011 Spring Flooding

Director Jim Lynch

Montana Department of Transportation

June 15th 2011

Page 2: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert
Page 3: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

South of Bozeman

Gallatin Canyon

Page 4: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Secondary 424, Stillwater River Bridge

North of Kalispell

Page 5: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Woodside Levy Repair

South of Missoula

Page 6: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Seasonal road connecting Hamilton and Philipsburg, typically opened by mid-spring

Blasting required to re-align road

MT- 38, Skalkaho Road

East of Hamilton

Page 7: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Secondary 348, Rock Creek

West of Philipsburg Placement of barrier rail and plastic to direct Rock Creek

Page 8: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Main Street – Deer Lodge

Cottonwood Creek

Page 9: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Heavy runoff forces emergency culvert replacement

Schellinger Construction hired on exigency, cost estimate $23,000

US-12, Deep Creek Canyon

North of Townsend

Page 10: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

US-89, Shields River

North of Livingston Bank repair to limit road washout

Page 11: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

US-2, West of Wolf Point

Page 12: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Milk River

Glasgow

US-2

Page 13: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Secondary 306

North of Columbus

Many areas are inundated with

debris that continue to plug drainage

features

Page 14: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

I-90 Frontage Road, Crow Agency

Page 15: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

I-90 West of Big Timber

Page 16: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Severe scour under back wall

Current weight and speed restriction

Expended $35,ooo to date

Future reconstruction required, estimated cost $2,000,000

Huntley- Pryor Creek Bridge

Page 17: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Bridge washout forces road closure Paving emergency detour $125,000

US-191,

North of Lewistown

Page 18: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Secondary 426

North of Lewistown

Page 19: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Hwy 200/87 East of Lewistown

Soil Nail project for bank stabilization is planned to start June 13th at an estimated cost of $200,000

Page 20: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Montana 200

10 miles East of Lewistown

Estimated repair cost $200,000 Wickens Construction worked around the clock to get the road open

Page 21: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Extensive flooding requires long term road closures. Infrastructure damage assessment will require the water to recede.

Roundup, MT

Page 22: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Roundup, MT

Page 23: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Roundup, MT

Page 24: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Rockvale Bridge Repair - Joliet, MT Rip-rap bank to prevent back wall

washout

Page 25: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Joliet, MT - Extensive Flooding

Stream bank armoring

Page 26: 2011 Spring Flooding - Montanaleg.mt.gov/content/Committees/Interim/2011-2012... · Secondary 348, Rock Creek ... Deer Lodge Cottonwood Creek . Heavy runoff forces emergency culvert

Questions?