US Bridges

T 151 over Big Trout Creek Overflow

Fair

Winona County, Minnesota · 0.1 MI E of JCT Csah 7 · Structure no. 97304

Built
1988
37 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
20
1991 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 151 over Big Trout Creek Overflow is a concrete culvert carrying T 151 over Big Trout Creek Overflow in Winona 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 20 vehicles a day, projected to reach 20 by 2029. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesT 151
CrossesBig Trout Creek Overflow
Location0.1 MI E of JCT Csah 7
RouteCounty Highway 151
Coordinates43.9794, -91.49418
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1991)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 151 over Big Trout Creek Overflow built?

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

What condition is T 151 over Big Trout Creek Overflow 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 October 2023.

How much traffic does T 151 over Big Trout Creek Overflow carry?

About 20 vehicles per day (1991 count).

How long is T 151 over Big Trout Creek Overflow?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns T 151 over Big Trout Creek Overflow?

It is owned by the Town or Township Highway Agency.