US Bridges

Csah 7 over Des Moines River

Good

Cottonwood County, Minnesota · 1.6 MI N of JCT TH 62 · Structure no. 17537

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
159 ft
3 main spans
Daily traffic
370
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Des Moines River is a concrete continuous slab carrying Csah 7 over Des Moines River in Cottonwood County, Minnesota. It was built in 2018, so it is 7 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 370 vehicles a day, projected to reach 345 by 2041. The structure is 159 ft (48.5 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 7
CrossesDes Moines River
Location1.6 MI N of JCT TH 62
RouteCounty Highway 7
Coordinates43.88593, -95.43122
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length159 ft (48.5 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2021)
Projected traffic345 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 7 over Des Moines River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Csah 7 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 October 2024.

How much traffic does Csah 7 over Des Moines River carry?

About 370 vehicles per day (2021 count).

How long is Csah 7 over Des Moines River?

The structure is 159 ft (48.5 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Csah 7 over Des Moines River?

It is owned by the County Highway Agency.