US Bridges

Csah 25 over Chippewa River

Good

Douglas County, Minnesota · 2.4 MI N of JCT Csah 8 · Structure no. 95621

Built
1987
38 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
155
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Chippewa River is a concrete culvert carrying Csah 25 over Chippewa River in Douglas County, Minnesota. It was built in 1987, so it is 38 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 155 vehicles a day, projected to reach 125 by 2038. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 25
CrossesChippewa River
Location2.4 MI N of JCT Csah 8
RouteCounty Highway 25
Coordinates45.9408, -95.73821
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2018)
Projected traffic125 by 2038
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 25 over Chippewa River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Csah 25 over Chippewa 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 25 over Chippewa River carry?

About 155 vehicles per day (2018 count).

How long is Csah 25 over Chippewa River?

The structure is 28 ft (8.6 m) long with a longest span of 10 ft (3.1 m).

Who owns Csah 25 over Chippewa River?

It is owned by the County Highway Agency.