US Bridges

T 402 over Oak Creek

Good

Otter Tail County, Minnesota · 0.9 MI W of JCT Csah 75 · Structure no. 95194

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
39
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 402 over Oak Creek is a concrete culvert carrying T 402 over Oak Creek in Otter Tail County, Minnesota. It was built in 1979, so it is 46 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 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 39 vehicles a day, projected to reach 39 by 2029. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 402
CrossesOak Creek
Location0.9 MI W of JCT Csah 75
RouteCounty Highway 402
Coordinates46.42706, -95.19591
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (1986)
Projected traffic39 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$103 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 402 over Oak Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is T 402 over Oak Creek 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 October 2024.

How much traffic does T 402 over Oak Creek carry?

About 39 vehicles per day (1986 count).

How long is T 402 over Oak Creek?

The structure is 28 ft (8.5 m) long with a longest span of 11 ft (3.5 m).

Who owns T 402 over Oak Creek?

It is owned by the Town or Township Highway Agency.