US Bridges

Mn 32 over S Br Wild Rice River

Fair

Clay County, Minnesota · 0.5 MI N of Ulen · Structure no. 6502

Built
1948
77 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Concrete
Length
142 ft
3 main spans
Daily traffic
1,336
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 32 over S Br Wild Rice River is a concrete girder and floorbeam system carrying Mn 32 over S Br Wild Rice River in Clay County, Minnesota. It was built in 1948, so it is 77 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 1,336 vehicles a day, roughly 16% of them trucks, projected to reach 2,550 by 2042. The structure is 142 ft (43.4 m) long and 32 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesMn 32
CrossesS Br Wild Rice River
Location0.5 MI N of Ulen
RouteState Highway 32
Coordinates47.086, -96.25819
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.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating23.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.4 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,336 (2022)
Projected traffic2,550 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$495 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 32 over S Br Wild Rice River built?

It was built in 1948, making it 77 years old in 2025.

What condition is Mn 32 over S Br Wild Rice 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 September 2023.

How much traffic does Mn 32 over S Br Wild Rice River carry?

About 1,336 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Mn 32 over S Br Wild Rice River?

The structure is 142 ft (43.4 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns Mn 32 over S Br Wild Rice River?

It is owned by the State Highway Agency.