US Bridges

CR 100 over Snake River

Good

Marshall County, Minnesota · 1.4 MI E of JCT Csah 17 · Structure no. 45578

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
35
2010 count
Owner
County
County Highway Agency

About this bridge

CR 100 over Snake River is a concrete continuous slab carrying CR 100 over Snake River in Marshall County, Minnesota. It was built in 2018, so it is 7 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 42 by 2030. The structure is 123 ft (37.5 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 100
CrossesSnake River
Location1.4 MI E of JCT Csah 17
RouteCounty Highway 100
Coordinates48.22416, -97.03391
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length123 ft (37.5 m)
Longest span46 ft (14 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2010)
Projected traffic42 by 2030
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100 over Snake River built?

It was built in 2018, making it 7 years old in 2025.

What condition is CR 100 over Snake River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does CR 100 over Snake River carry?

About 35 vehicles per day (2010 count).

How long is CR 100 over Snake River?

The structure is 123 ft (37.5 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.

Who owns CR 100 over Snake River?

It is owned by the County Highway Agency.