US Bridges

Csah 34 over Snake River

Fair

Marshall County, Minnesota · 1.0 MI N of JCT TH 1 · Structure no. 45567

Built
2005
20 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
230
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 34 over Snake River is a concrete continuous slab carrying Csah 34 over Snake River in Marshall County, Minnesota. It was built in 2005, so it is 20 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 230 vehicles a day, projected to reach 145 by 2040. The structure is 89 ft (27 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 34
CrossesSnake River
Location1.0 MI N of JCT TH 1
RouteCounty Highway 34
Coordinates48.20967, -96.71792
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.5 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length89 ft (27 m)
Longest span35 ft (10.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2020)
Projected traffic145 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 34 over Snake River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Csah 34 over Snake River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Csah 34 over Snake River carry?

About 230 vehicles per day (2020 count).

How long is Csah 34 over Snake River?

The structure is 89 ft (27 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.

Who owns Csah 34 over Snake River?

It is owned by the County Highway Agency.