US Bridges

Csah 4 over Mid Fk Crow River

Good

Kandiyohi County, Minnesota · 0.3 MI SE of JCT Csah 30 · Structure no. 94112

Built
1938
87 years old, rebuilt 2005
Condition
Good
inspected October 2024
Type
Girder and Floorbeam System
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
205
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Mid Fk Crow River is a wood or timber girder and floorbeam system carrying Csah 4 over Mid Fk Crow River in Kandiyohi County, Minnesota. It was built in 1938 and reconstructed in 2005, so it is 87 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 205 vehicles a day, projected to reach 200 by 2038. The structure is 39 ft (12 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 4
CrossesMid Fk Crow River
Location0.3 MI SE of JCT Csah 30
RouteCounty Highway 4
Coordinates45.2673, -94.86652
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64 US tons
Inventory rating46.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 25 or greater
Structure length39 ft (12 m)
Longest span20 ft (6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (2018)
Projected traffic200 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Mid Fk Crow River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2005.

What condition is Csah 4 over Mid Fk Crow 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 Csah 4 over Mid Fk Crow River carry?

About 205 vehicles per day (2018 count).

How long is Csah 4 over Mid Fk Crow River?

The structure is 39 ft (12 m) long with a longest span of 20 ft (6 m) and a deck 34 ft wide.

Who owns Csah 4 over Mid Fk Crow River?

It is owned by the County Highway Agency.