US Bridges

Csah 2 over Little Cottonwood River

Fair

Cottonwood County, Minnesota · 2.1 MI N of JCT TH 30 · Structure no. 17510

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
315
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 2 over Little Cottonwood River is a prestressed concrete channel beam carrying Csah 2 over Little Cottonwood River in Cottonwood County, Minnesota. It was built in 1967, so it is 58 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 315 vehicles a day, projected to reach 315 by 2039. The structure is 81 ft (24.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 2
CrossesLittle Cottonwood River
Location2.1 MI N of JCT TH 30
RouteCounty Highway 2
CountyCottonwood County
StateMinnesota
Coordinates44.08068, -95.05994
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length81 ft (24.7 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2016)
Projected traffic315 by 2039
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$121 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 2 over Little Cottonwood River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 2 over Little 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 2 over Little Cottonwood River carry?

About 315 vehicles per day (2016 count).

How long is Csah 2 over Little Cottonwood River?

The structure is 81 ft (24.7 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Csah 2 over Little Cottonwood River?

It is owned by the County Highway Agency.