US Bridges

T 481 over Clearwater River

Good

Wright County, Minnesota · 1.1 MI S of JCT TH 55 · Structure no. 91782

Built
1983
42 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
40
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 481 over Clearwater River is a concrete culvert carrying T 481 over Clearwater River in Wright County, Minnesota. It was built in 1983, so it is 42 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 40 vehicles a day, projected to reach 40 by 2029. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 481
CrossesClearwater River
Location1.1 MI S of JCT TH 55
RouteCounty Highway 481
Coordinates45.27896, -94.25136
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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum 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 (10.5 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1986)
Projected traffic40 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 481 over Clearwater River built?

It was built in 1983, making it 42 years old in 2025.

What condition is T 481 over Clearwater 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 2024.

How much traffic does T 481 over Clearwater River carry?

About 40 vehicles per day (1986 count).

How long is T 481 over Clearwater River?

The structure is 34 ft (10.5 m) long with a longest span of 14 ft (4.4 m).

Who owns T 481 over Clearwater River?

It is owned by the Town or Township Highway Agency.