US Bridges

T 237 over Blueberry River

Good

Wadena County, Minnesota · 0.5 MI S of JCT Csah 16 · Structure no. 80J10

Built
2001
24 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
40
2000 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 237 over Blueberry River is a concrete culvert carrying T 237 over Blueberry River in Wadena County, Minnesota. It was built in 2001, so it is 24 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 40 vehicles a day, projected to reach 40 by 2029. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT 237
CrossesBlueberry River
Location0.5 MI S of JCT Csah 16
RouteCounty Highway 237
Coordinates46.77621, -95.14389
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2000)
Projected traffic40 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 237 over Blueberry River built?

It was built in 2001, making it 24 years old in 2025.

What condition is T 237 over Blueberry 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 June 2022.

How much traffic does T 237 over Blueberry River carry?

About 40 vehicles per day (2000 count).

How long is T 237 over Blueberry River?

The structure is 35 ft (10.7 m) long with a longest span of 13 ft (4.1 m).

Who owns T 237 over Blueberry River?

It is owned by the Town or Township Highway Agency.