US Bridges

Mn 65 over Little Fork River

Good

Koochiching County, Minnesota · 6.8 MI N of County Line · Structure no. 36025

Built
2008
17 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
641 ft
4 main spans
Daily traffic
15
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 65 over Little Fork River is a steel continuous stringer/multi-beam or girder carrying Mn 65 over Little Fork River in Koochiching County, Minnesota. It was built in 2008, so it is 17 years old, younger 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 15 vehicles a day, roughly 33% of them trucks, projected to reach 45 by 2042. The structure is 641 ft (195.4 m) long and 39 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesMn 65
CrossesLittle Fork River
Location6.8 MI N of County Line
RouteState Highway 65
Coordinates47.97676, -93.14485
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating43.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length641 ft (195.4 m)
Longest span180 ft (54.9 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic45 by 2042
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 65 over Little Fork River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mn 65 over Little Fork 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 May 2023.

How much traffic does Mn 65 over Little Fork River carry?

About 15 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is Mn 65 over Little Fork River?

The structure is 641 ft (195.4 m) long with a longest span of 180 ft (54.9 m) and a deck 39 ft wide.

Who owns Mn 65 over Little Fork River?

It is owned by the State Highway Agency.