US Bridges

Csah 12 over Devils Track River

Good

Cook County, Minnesota · 0.1 MI N of JCT CR 60 · Structure no. 16517

Built
1998
27 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
1,441
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over Devils Track River is a prestressed concrete stringer/multi-beam or girder carrying Csah 12 over Devils Track River in Cook County, Minnesota. It was built in 1998, so it is 27 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 1,441 vehicles a day, projected to reach 1,450 by 2042. The structure is 83 ft (25.3 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 12
CrossesDevils Track River
Location0.1 MI N of JCT CR 60
RouteCounty Highway 12
Coordinates47.80675, -90.30622
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.6 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length83 ft (25.3 m)
Longest span77 ft (23.5 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,441 (2022)
Projected traffic1,450 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Csah 12 over Devils Track River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Csah 12 over Devils Track 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 2023.

How much traffic does Csah 12 over Devils Track River carry?

About 1,441 vehicles per day (2022 count).

How long is Csah 12 over Devils Track River?

The structure is 83 ft (25.3 m) long with a longest span of 77 ft (23.5 m) and a deck 39 ft wide.

Who owns Csah 12 over Devils Track River?

It is owned by the County Highway Agency.