US Bridges

Csah 7 over Minnesota River

Good

Redwood County, Minnesota · 1.6 MI N of JCT Csah 27 · Structure no. 64504

Built
1966
59 years old, rebuilt 2016
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
3 main spans
Daily traffic
500
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Minnesota River is a steel continuous stringer/multi-beam or girder carrying Csah 7 over Minnesota River in Redwood County, Minnesota. It was built in 1966 and reconstructed in 2016, so it is 59 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 500 vehicles a day, projected to reach 500 by 2039. The structure is 347 ft (105.8 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 7
CrossesMinnesota River
Location1.6 MI N of JCT Csah 27
RouteCounty Highway 7
Coordinates44.69524, -95.34012
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.9 US tons
Inventory rating29.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length347 ft (105.8 m)
Longest span131 ft (39.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2015)
Projected traffic500 by 2039
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 7 over Minnesota River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2016.

What condition is Csah 7 over Minnesota 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 7 over Minnesota River carry?

About 500 vehicles per day (2015 count).

How long is Csah 7 over Minnesota River?

The structure is 347 ft (105.8 m) long with a longest span of 131 ft (39.9 m) and a deck 34 ft wide.

Who owns Csah 7 over Minnesota River?

It is owned by the County Highway Agency.