US Bridges

Csah 4 over S Fk Crow River

FairPosted for load

McLeod County, Minnesota · 0.5 MI N of JCT TH 22 · Structure no. 43513

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
631
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over S Fk Crow River is a prestressed concrete stringer/multi-beam or girder carrying Csah 4 over S Fk Crow River in McLeod County, Minnesota. It was built in 1977, so it is 48 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 631 vehicles a day, projected to reach 690 by 2041. The structure is 122 ft (37.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 4
CrossesS Fk Crow River
Location0.5 MI N of JCT TH 22
RouteCounty Highway 4
CountyMcLeod County
StateMinnesota
Coordinates44.83579, -94.27494
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.1 m)
Longest span40 ft (12.3 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic631 (2021)
Projected traffic690 by 2041
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 4 over S Fk Crow River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 4 over S 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 October 2024.

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

About 631 vehicles per day (2021 count).

How long is Csah 4 over S Fk Crow River?

The structure is 122 ft (37.1 m) long with a longest span of 40 ft (12.3 m) and a deck 40 ft wide.

Who owns Csah 4 over S Fk Crow River?

It is owned by the County Highway Agency.