US Bridges

Mink Lake over Kadunce River

Good

Cook County, Minnesota · No Data Entered · Structure no. 090902000024314

Built
2000
25 years old
Condition
Good
inspected October 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
21 ft
1 main span
Daily traffic
100
2020 count
Owner
Federal
U.S. Forest Service

About this bridge

Mink Lake over Kadunce River is a aluminum, wrought iron, or cast iron culvert carrying Mink Lake over Kadunce River in Cook County, Minnesota. It was built in 2000, so it is 25 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 620.7 mi (999 km).

CarriesMink Lake
CrossesKadunce River
LocationNo Data Entered
RouteFederal Lands Road 140
Coordinates47.85528, -90.14491
Functional classRural Local

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic150 by 2045
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mink Lake over Kadunce River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Mink Lake over Kadunce 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 October 2024.

How much traffic does Mink Lake over Kadunce River carry?

About 100 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Mink Lake over Kadunce River?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Mink Lake over Kadunce River?

It is owned by the U.S. Forest Service.