US Bridges

Csah 6 over Minnesota River

Fair

Renville County, Minnesota · 0.8 MI S of JCT Csah 15 · Structure no. 65532

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
371 ft
3 main spans
Daily traffic
700
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Minnesota River is a steel continuous stringer/multi-beam or girder carrying Csah 6 over Minnesota River in Renville County, Minnesota. It was built in 1975, so it is 50 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 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 700 vehicles a day, projected to reach 620 by 2039. The structure is 371 ft (113.1 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 6
CrossesMinnesota River
Location0.8 MI S of JCT Csah 15
RouteCounty Highway 6
Coordinates44.65261, -95.22574
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.6 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length371 ft (113.1 m)
Longest span140 ft (42.7 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2019)
Projected traffic620 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 6 over Minnesota River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Csah 6 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 October 2023.

How much traffic does Csah 6 over Minnesota River carry?

About 700 vehicles per day (2019 count).

How long is Csah 6 over Minnesota River?

The structure is 371 ft (113.1 m) long with a longest span of 140 ft (42.7 m) and a deck 40 ft wide.

Who owns Csah 6 over Minnesota River?

It is owned by the County Highway Agency.