US Bridges

Mn 32 over Clearwater River

Fair

Red Lake County, Minnesota · In Red Lake Falls · Structure no. 5921

Built
1941
84 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
244 ft
3 main spans
Daily traffic
4,600
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 32 over Clearwater River is a steel girder and floorbeam system carrying Mn 32 over Clearwater River in Red Lake County, Minnesota. It was built in 1941, so it is 84 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 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 4,550 by 2038. The structure is 244 ft (74.4 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMn 32
CrossesClearwater River
LocationIn Red Lake Falls
RouteState Highway 32
CountyRed Lake County
StateMinnesota
Coordinates47.88703, -96.26927
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.4 US tons
Inventory rating32.4 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length244 ft (74.4 m)
Longest span80 ft (24.4 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2018)
Projected traffic4,550 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 32 over Clearwater River built?

It was built in 1941, making it 84 years old in 2025.

What condition is Mn 32 over Clearwater 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 August 2023.

How much traffic does Mn 32 over Clearwater River carry?

About 4,600 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is Mn 32 over Clearwater River?

The structure is 244 ft (74.4 m) long with a longest span of 80 ft (24.4 m) and a deck 45 ft wide.

Who owns Mn 32 over Clearwater River?

It is owned by the State Highway Agency.