US Bridges

Csah 4 over N Fk Crow River

Fair

Wright County, Minnesota · 1.9 MI S of JCT Csah 35 · Structure no. 86508

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
215 ft
3 main spans
Daily traffic
809
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over N Fk Crow River is a steel continuous stringer/multi-beam or girder carrying Csah 4 over N Fk Crow River in Wright County, Minnesota. It was built in 1989, so it is 36 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 809 vehicles a day, projected to reach 540 by 2042. The structure is 215 ft (65.4 m) long and 43 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 4
CrossesN Fk Crow River
Location1.9 MI S of JCT Csah 35
RouteCounty Highway 4
CountyWright County
StateMinnesota
Coordinates45.12697, -94.14647
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length215 ft (65.4 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic809 (2022)
Projected traffic540 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 4 over N Fk Crow River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Csah 4 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 2024.

How much traffic does Csah 4 over N Fk Crow River carry?

About 809 vehicles per day (2022 count).

How long is Csah 4 over N Fk Crow River?

The structure is 215 ft (65.4 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns Csah 4 over N Fk Crow River?

It is owned by the County Highway Agency.