US Bridges

Mn 76 over Winnebago Creek

Fair

Houston County, Minnesota · 6.5 MI N of Iowa Line · Structure no. 28X02

Built
1999
26 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
1,478
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 76 over Winnebago Creek is a concrete culvert carrying Mn 76 over Winnebago Creek in Houston County, Minnesota. It was built in 1999, so it is 26 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 1,478 vehicles a day, roughly 15% of them trucks, projected to reach 1,650 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesMn 76
CrossesWinnebago Creek
Location6.5 MI N of Iowa Line
RouteState Highway 76
Coordinates43.58136, -91.5121
Functional classRural Minor Arterial

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length24 ft (7.3 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 traffic1,478 (2022)
Projected traffic1,650 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 76 over Winnebago Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mn 76 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 May 2024.

How much traffic does Mn 76 over Winnebago Creek carry?

About 1,478 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Mn 76 over Winnebago Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns Mn 76 over Winnebago Creek?

It is owned by the State Highway Agency.