US Bridges

Mn 6 over Little Pine River

Good

Crow Wing County, Minnesota · 15.7 MI N of Crosby · Structure no. 91174

Built
1971
54 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
2,369
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 6 over Little Pine River is a concrete culvert carrying Mn 6 over Little Pine River in Crow Wing County, Minnesota. It was built in 1971, so it is 54 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 2,369 vehicles a day, projected to reach 2,500 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 70.2 mi (113 km).

CarriesMn 6
CrossesLittle Pine River
Location15.7 MI N of Crosby
RouteState Highway 6
Coordinates46.69733, -93.95497
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 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 rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,369 (2021)
Projected traffic2,500 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.2 mi (113 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 6 over Little Pine River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Mn 6 over Little Pine 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 September 2023.

How much traffic does Mn 6 over Little Pine River carry?

About 2,369 vehicles per day (2021 count).

How long is Mn 6 over Little Pine River?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (3.9 m).

Who owns Mn 6 over Little Pine River?

It is owned by the State Highway Agency.