US Bridges

T 15 over S Br Snake River (cd #22

Good

Marshall County, Minnesota · 0.4 MI E of JCT Csah 36 · Structure no. 96379

Built
1986
39 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
8
1994 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 15 over S Br Snake River (cd #22 is a concrete culvert carrying T 15 over S Br Snake River (cd #22 in Marshall County, Minnesota. It was built in 1986, so it is 39 years old, older 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 8 vehicles a day, projected to reach 8 by 2029. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT 15
CrossesS Br Snake River (cd #22
Location0.4 MI E of JCT Csah 36
RouteCounty Highway 15
CountyMarshall County
StateMinnesota
Coordinates48.20998, -96.59962
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (1994)
Projected traffic8 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 15 over S Br Snake River (cd #22 built?

It was built in 1986, making it 39 years old in 2025.

What condition is T 15 over S Br Snake River (cd #22 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 2021.

How much traffic does T 15 over S Br Snake River (cd #22 carry?

About 8 vehicles per day (1994 count).

How long is T 15 over S Br Snake River (cd #22?

The structure is 34 ft (10.3 m) long with a longest span of 13 ft (4 m).

Who owns T 15 over S Br Snake River (cd #22?

It is owned by the Town or Township Highway Agency.