US Bridges

Mn 61 over Reservation River

Good

Cook County, Minnesota · 5.7 MI NE of Hovland · Structure no. 5307

Built
1937
88 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
39 ft
1 main span
Daily traffic
1,198
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 61 over Reservation River is a concrete culvert carrying Mn 61 over Reservation River in Cook County, Minnesota. It was built in 1937, so it is 88 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,198 vehicles a day, roughly 5% of them trucks, projected to reach 1,350 by 2042. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMn 61
CrossesReservation River
Location5.7 MI NE of Hovland
RouteState Highway 61
Coordinates47.8772, -89.86262
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length39 ft (11.9 m)
Longest span35 ft (10.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,198 (2022)
Projected traffic1,350 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$138 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 61 over Reservation River built?

It was built in 1937, making it 88 years old in 2025.

What condition is Mn 61 over Reservation River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Mn 61 over Reservation River carry?

About 1,198 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mn 61 over Reservation River?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m).

Who owns Mn 61 over Reservation River?

It is owned by the State Highway Agency.