US Bridges

Csah 15 over Snake River

Good

Marshall County, Minnesota · 0.1 MI S of JCT TH 1 · Structure no. 45J44

Built
2009
16 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
670
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Snake River is a concrete culvert carrying Csah 15 over Snake River in Marshall County, Minnesota. It was built in 2009, so it is 16 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 670 vehicles a day, projected to reach 690 by 2040. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 15
CrossesSnake River
Location0.1 MI S of JCT TH 1
RouteCounty Highway 15
CountyMarshall County
StateMinnesota
Coordinates48.19313, -96.78329
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2020)
Projected traffic690 by 2040
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 15 over Snake River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Csah 15 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 2022.

How much traffic does Csah 15 over Snake River carry?

About 670 vehicles per day (2020 count).

How long is Csah 15 over Snake River?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m).

Who owns Csah 15 over Snake River?

It is owned by the County Highway Agency.