US Bridges

Csah 10 over Cottonwood River

Fair

Cottonwood County, Minnesota · 1.1 MI E of JCT Csah 2 · Structure no. 7219

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
265
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 10 over Cottonwood River is a steel stringer/multi-beam or girder carrying Csah 10 over Cottonwood River in Cottonwood County, Minnesota. It was built in 1958, so it is 67 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 265 vehicles a day, projected to reach 330 by 2040. The structure is 42 ft (12.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 10
CrossesCottonwood River
Location1.1 MI E of JCT Csah 2
RouteCounty Highway 10
CountyCottonwood County
StateMinnesota
Coordinates44.10801, -95.03906
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.7 US tons
Inventory rating29.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2020)
Projected traffic330 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$264 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 10 over Cottonwood River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Csah 10 over Cottonwood 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 2024.

How much traffic does Csah 10 over Cottonwood River carry?

About 265 vehicles per day (2020 count).

How long is Csah 10 over Cottonwood River?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Csah 10 over Cottonwood River?

It is owned by the County Highway Agency.