US Bridges

Csah 1 over Chippewa River

Fair

Douglas County, Minnesota · 1.1 MI S of JCT CR 55 · Structure no. 21J16

Built
2013
12 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
220
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Chippewa River is a concrete culvert carrying Csah 1 over Chippewa River in Douglas County, Minnesota. It was built in 2013, so it is 12 years old, younger 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 6 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 220 vehicles a day, projected to reach 240 by 2038. The structure is 43 ft (13 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesChippewa River
Location1.1 MI S of JCT CR 55
RouteCounty Highway 1
CountyDouglas County
StateMinnesota
Coordinates45.96498, -95.70377
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length43 ft (13 m)
Longest span18 ft (5.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2018)
Projected traffic240 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 1 over Chippewa River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Csah 1 over Chippewa 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 September 2023.

How much traffic does Csah 1 over Chippewa River carry?

About 220 vehicles per day (2018 count).

How long is Csah 1 over Chippewa River?

The structure is 43 ft (13 m) long with a longest span of 18 ft (5.6 m).

Who owns Csah 1 over Chippewa River?

It is owned by the County Highway Agency.