US Bridges

T 40 over Winnebago Creek

Fair

Houston County, Minnesota · 0.1 MI S of JCT Csah 5 · Structure no. 91600

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
12
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 40 over Winnebago Creek is a concrete culvert carrying T 40 over Winnebago Creek in Houston County, Minnesota. It was built in 1978, so it is 47 years old, older 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 12 vehicles a day, projected to reach 12 by 2029. The structure is 51 ft (15.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesT 40
CrossesWinnebago Creek
Location0.1 MI S of JCT Csah 5
RouteCounty Highway 40
Coordinates43.55471, -91.45162
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans4
Design loadHS 20
Structure length51 ft (15.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (1986)
Projected traffic12 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 40 over Winnebago Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 40 over Winnebago Creek 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 April 2024.

How much traffic does T 40 over Winnebago Creek carry?

About 12 vehicles per day (1986 count).

How long is T 40 over Winnebago Creek?

The structure is 51 ft (15.4 m) long with a longest span of 12 ft (3.7 m).

Who owns T 40 over Winnebago Creek?

It is owned by the Town or Township Highway Agency.