US Bridges

Mn 11 over Winter Road River

Fair

Lake of the Woods County, Minnesota · 4.6 MI W of Baudette · Structure no. 39006

Built
1977
48 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
1,794
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 11 over Winter Road River is a prestressed concrete stringer/multi-beam or girder carrying Mn 11 over Winter Road River in Lake of the Woods County, Minnesota. It was built in 1977, so it is 48 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 5 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 1,794 vehicles a day, roughly 15% of them trucks, projected to reach 2,100 by 2042. The structure is 97 ft (29.7 m) long and 50 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesMn 11
CrossesWinter Road River
Location4.6 MI W of Baudette
RouteState Highway 11
Coordinates48.71088, -94.69805
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.8 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length97 ft (29.7 m)
Longest span91 ft (27.8 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,794 (2022)
Projected traffic2,100 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

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 11 over Winter Road River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Mn 11 over Winter Road River 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 June 2023.

How much traffic does Mn 11 over Winter Road River carry?

About 1,794 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Mn 11 over Winter Road River?

The structure is 97 ft (29.7 m) long with a longest span of 91 ft (27.8 m) and a deck 50 ft wide.

Who owns Mn 11 over Winter Road River?

It is owned by the State Highway Agency.