US Bridges

Csah 12 over N Fk Crow River

Fair

Wright County, Minnesota · 3.7 MI N of JCT TH 12 · Structure no. 86509

Built
1991
34 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
4,231
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over N Fk Crow River is a concrete continuous slab carrying Csah 12 over N Fk Crow River in Wright County, Minnesota. It was built in 1991, so it is 34 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,231 vehicles a day, projected to reach 3,100 by 2042. The structure is 116 ft (35.4 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 12
CrossesN Fk Crow River
Location3.7 MI N of JCT TH 12
RouteCounty Highway 12
CountyWright County
StateMinnesota
Coordinates45.11809, -93.90779
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating49.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length116 ft (35.4 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,231 (2022)
Projected traffic3,100 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 N Fk Crow River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Csah 12 over N Fk Crow River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Csah 12 over N Fk Crow River carry?

About 4,231 vehicles per day (2022 count).

How long is Csah 12 over N Fk Crow River?

The structure is 116 ft (35.4 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns Csah 12 over N Fk Crow River?

It is owned by the County Highway Agency.