US Bridges

Mn 26 over Winnebago Creek

Fair

Houston County, Minnesota · 0.2 MI N of Iowa ST Line · Structure no. 5706

Built
1937
88 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
3 main spans
Daily traffic
1,447
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 26 over Winnebago Creek is a steel stringer/multi-beam or girder carrying Mn 26 over Winnebago Creek in Houston County, Minnesota. It was built in 1937, so it is 88 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 1,447 vehicles a day, roughly 12% of them trucks, projected to reach 1,200 by 2042. The structure is 155 ft (47.2 m) long and 33 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesMn 26
CrossesWinnebago Creek
Location0.2 MI N of Iowa ST Line
RouteState Highway 26
Coordinates43.50342, -91.28291
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.4 US tons
Inventory rating59.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,447 (2022)
Projected traffic1,200 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 26 over Winnebago Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Mn 26 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 August 2024.

How much traffic does Mn 26 over Winnebago Creek carry?

About 1,447 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Mn 26 over Winnebago Creek?

The structure is 155 ft (47.2 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Mn 26 over Winnebago Creek?

It is owned by the State Highway Agency.