US Bridges

Mn 87 over Crow Wing River

Fair

Hubbard County, Minnesota · 11.7 MI E of TH 71 · Structure no. 29001

Built
2001
24 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
773
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 87 over Crow Wing River is a concrete continuous slab carrying Mn 87 over Crow Wing River in Hubbard County, Minnesota. It was built in 2001, so it is 24 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 773 vehicles a day, roughly 8% of them trucks, projected to reach 680 by 2042. The structure is 101 ft (30.8 m) long and 39 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesMn 87
CrossesCrow Wing River
Location11.7 MI E of TH 71
RouteState Highway 87
CountyHubbard County
StateMinnesota
Coordinates46.84657, -94.87514
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating76.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span38 ft (11.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic773 (2022)
Projected traffic680 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 87 over Crow Wing River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mn 87 over Crow Wing 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 April 2023.

How much traffic does Mn 87 over Crow Wing River carry?

About 773 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Mn 87 over Crow Wing River?

The structure is 101 ft (30.8 m) long with a longest span of 38 ft (11.6 m) and a deck 39 ft wide.

Who owns Mn 87 over Crow Wing River?

It is owned by the State Highway Agency.