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Snake River Bridge and Idaho 55 Improvements in Marsing

ITD is rebuilding the Snake River Bridge & ID-55 between Marsing and the U.S. 95 Junction

El Departamento de Transportación de Idaho va a reconstruir el puente del río Snake en Marsing y Idaho 55 entre Marsing y el cruce de U.S. 95. La construcción empezará en enero del 2019 y está anticipado a terminarse para el verano del 2020.

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Para más información y para recibir una hoja de inforamación, por favor llame 208-334-8152
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Text Marsing55 to 22828
Paving on Idaho 55
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Construction Update

Snake River Bridge Work

The Snake River Bridge was built in 1955 and has reached the end of its design life. The new bridge will safely carry increased traffic and trucking volumes for many years. Improvements will include:

*11-foot width restrictions will be in place during construction on the bridge.*

For a closer look at the bridge design, click here.

Idaho 55 Work

Highway improvements will include:

For a closer look at the Idaho 55 design, click here.

January 14, 2019
ITD will replace culverts under the road
Asset 5
January 24, 2019
ITD will host a public meeting to share construction plans and impacts
Asset 5
Early Spring 2019
Major construction begins on Idaho 55 and the north side of the Snake River Bridge
Asset 5
Fall 2019
Idaho 55 construction complete. Construction begins on the south side of the Snake River Bridge
Asset 5
Spring 2020
Installation of the pedestrian railing on the north side of the bridge
Asset 5
Summer 2020
Snake River Bridge construction complete
Asset 5

Downloads & Resources

June 2017 Public Meeting Display BoardsAsset 4
January 2019 Open HouseAsset 4
Project InformationAsset 4
Asset 5
April 9, 2019

Lane reduction on bridge

One of two lanes on the bridge are closed in preparation for demolition.

Blog Post
Asset 5
Week of Feb. 15

Excavation on the south side of Idaho 55 in Marsing

Crews will be excavating the roadway on the south side of Idaho 55 in Marsing beginning next week.

Asset 5
Week of February 11, 2019

Overnight work on Idaho 55 in Marsing

Night time work will occur on two consecutive nights mid-week at the intersection of Idaho 55 and Idaho 78 while crews install irrigation line. The work will be noisy. Flaggers will direct traffic.

More Information
Asset 5
February 2019

Rebuilding the south side of Idaho 55

ITD is rebuilding the south side of Idaho 55 from 14th Ave. to 4th Ave. in downtown Marsing. This stage of construction is expected to last six weeks.

More Information
Asset 5
January 2019

Construction of Idaho 55 Improvements begins

Crews have begun initial work on irrigation lines on Idaho 55 in Marsing. Major work includes replacing the School Drain pipe and C-Line canal pipe.

More Information


Crews will begin paving Idaho 55 from the School Drain Canal to the US-95 junction. Paving is expected to last until July 2.

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