US Bridges

T 1331 over Little Nokasippi River

Fair

Crow Wing County, Minnesota · 2.3 MI S of JCT Csah 2 · Structure no. 18516

Built
1988
37 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
15
1988 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 1331 over Little Nokasippi River is a prestressed concrete tee beam carrying T 1331 over Little Nokasippi River in Crow Wing County, Minnesota. It was built in 1988, so it is 37 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15 vehicles a day, projected to reach 15 by 2029. The structure is 48 ft (14.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 1331
CrossesLittle Nokasippi River
Location2.3 MI S of JCT Csah 2
RouteCounty Highway 1331
Coordinates46.16742, -94.31368
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating43.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span46 ft (14.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1988)
Projected traffic15 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1331 over Little Nokasippi River built?

It was built in 1988, making it 37 years old in 2025.

What condition is T 1331 over Little Nokasippi River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does T 1331 over Little Nokasippi River carry?

About 15 vehicles per day (1988 count).

How long is T 1331 over Little Nokasippi River?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14.1 m) and a deck 30 ft wide.

Who owns T 1331 over Little Nokasippi River?

It is owned by the Town or Township Highway Agency.