US Bridges

T 37 over Shell River

Good

Hubbard County, Minnesota · 1.0 MI W JCT Csah 6 · Structure no. 29525

Built
2006
19 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
138 ft
3 main spans
Daily traffic
16
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 37 over Shell River is a concrete continuous slab carrying T 37 over Shell River in Hubbard County, Minnesota. It was built in 2006, so it is 19 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 16 vehicles a day, projected to reach 16 by 2029. The structure is 138 ft (42.2 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 37
CrossesShell River
Location1.0 MI W JCT Csah 6
RouteCounty Highway 37
Coordinates46.82972, -95.03149
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating104.4 US tons
Inventory rating62.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length138 ft (42.2 m)
Longest span55 ft (16.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (1993)
Projected traffic16 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 37 over Shell River built?

It was built in 2006, making it 19 years old in 2025.

What condition is T 37 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 September 2023.

How much traffic does T 37 over Shell River carry?

About 16 vehicles per day (1993 count).

How long is T 37 over Shell River?

The structure is 138 ft (42.2 m) long with a longest span of 55 ft (16.8 m) and a deck 35 ft wide.

Who owns T 37 over Shell River?

It is owned by the Town or Township Highway Agency.