US Bridges

T 380 over Shell River

Good

Wadena County, Minnesota · 0.8 MI NW of JCT Csah 21 · Structure no. 80527

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
58
1995 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 380 over Shell River is a concrete continuous slab carrying T 380 over Shell River in Wadena County, Minnesota. It was built in 1996, so it is 29 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 58 vehicles a day, projected to reach 58 by 2029. The structure is 104 ft (31.6 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesT 380
CrossesShell River
Location0.8 MI NW of JCT Csah 21
RouteCounty Highway 380
Coordinates46.7953, -95.07071
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length104 ft (31.6 m)
Longest span39 ft (11.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (1995)
Projected traffic58 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 380 over Shell River built?

It was built in 1996, making it 29 years old in 2025.

What condition is T 380 over Shell 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 July 2024.

How much traffic does T 380 over Shell River carry?

About 58 vehicles per day (1995 count).

How long is T 380 over Shell River?

The structure is 104 ft (31.6 m) long with a longest span of 39 ft (11.9 m) and a deck 34 ft wide.

Who owns T 380 over Shell River?

It is owned by the Town or Township Highway Agency.