US Bridges

Csah 11 over Minnesota River

Fair

Redwood County, Minnesota · At N CO Line · Structure no. 7202

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
371 ft
3 main spans
Daily traffic
480
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 11 over Minnesota River is a steel continuous stringer/multi-beam or girder carrying Csah 11 over Minnesota River in Redwood County, Minnesota. It was built in 1960, so it is 65 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.

It carries about 480 vehicles a day, projected to reach 385 by 2039. The structure is 371 ft (113.1 m) long and 36 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesCsah 11
CrossesMinnesota River
LocationAt N CO Line
RouteCounty Highway 11
CountyRedwood County
StateMinnesota
Coordinates44.51714, -94.88451
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length371 ft (113.1 m)
Longest span145 ft (44.2 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2019)
Projected traffic385 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 11 over Minnesota River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Csah 11 over Minnesota 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 11 over Minnesota River carry?

About 480 vehicles per day (2019 count).

How long is Csah 11 over Minnesota River?

The structure is 371 ft (113.1 m) long with a longest span of 145 ft (44.2 m) and a deck 36 ft wide.

Who owns Csah 11 over Minnesota River?

It is owned by the County Highway Agency.