US Bridges

Mn 32 over Red Lake River

Fair

Red Lake County, Minnesota · 2.0 MI NE Red Lale Falls · Structure no. 63002

Built
2003
22 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
321 ft
3 main spans
Daily traffic
2,050
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 32 over Red Lake River is a prestressed concrete stringer/multi-beam or girder carrying Mn 32 over Red Lake River in Red Lake County, Minnesota. It was built in 2003, so it is 22 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 2,050 vehicles a day, roughly 12% of them trucks, projected to reach 2,000 by 2038. The structure is 321 ft (97.8 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMn 32
CrossesRed Lake River
Location2.0 MI NE Red Lale Falls
RouteState Highway 32
Coordinates47.89191, -96.24026
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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.2 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length321 ft (97.8 m)
Longest span139 ft (42.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2018)
Projected traffic2,000 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Red Lake River built?

It was built in 2003, making it 22 years old in 2025.

What condition is Mn 32 over Red Lake 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 Red Lake River carry?

About 2,050 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Mn 32 over Red Lake River?

The structure is 321 ft (97.8 m) long with a longest span of 139 ft (42.4 m) and a deck 43 ft wide.

Who owns Mn 32 over Red Lake River?

It is owned by the State Highway Agency.