US Bridges

Csah 6 over Des Moines River

GoodPosted for load

Murray County, Minnesota · 0.3 MI W of JCT CR 67 · Structure no. 51517

Built
1986
39 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
178 ft
3 main spans
Daily traffic
425
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Des Moines River is a prestressed concrete tee beam carrying Csah 6 over Des Moines River in Murray County, Minnesota. It was built in 1986, so it is 39 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. Its operating status is: posted for load restriction.

It carries about 425 vehicles a day, projected to reach 425 by 2039. The structure is 178 ft (54.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 6
CrossesDes Moines River
Location0.3 MI W of JCT CR 67
RouteCounty Highway 6
Coordinates43.94942, -95.50687
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span59 ft (18.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2017)
Projected traffic425 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Des Moines River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Csah 6 over Des Moines 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 September 2024.

How much traffic does Csah 6 over Des Moines River carry?

About 425 vehicles per day (2017 count).

How long is Csah 6 over Des Moines River?

The structure is 178 ft (54.3 m) long with a longest span of 59 ft (18.1 m) and a deck 35 ft wide.

Who owns Csah 6 over Des Moines River?

It is owned by the County Highway Agency.