US Bridges

Csah 3 over Watonwan River

Good

Cottonwood County, Minnesota · 0.3 MI E of JCT Csah 1 · Structure no. 17J67

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
237
2023 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Watonwan River is a concrete culvert carrying Csah 3 over Watonwan River in Cottonwood County, Minnesota. It was built in 2023, so it is 2 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 237 vehicles a day, projected to reach 261 by 2043. The structure is 49 ft (14.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 3
CrossesWatonwan River
Location0.3 MI E of JCT Csah 1
RouteCounty Highway 3
CountyCottonwood County
StateMinnesota
Coordinates43.99238, -94.91387
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior 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 spans3
Design loadHL 93
Structure length49 ft (14.8 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic237 (2023)
Projected traffic261 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 3 over Watonwan River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Csah 3 over Watonwan 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 December 2023.

How much traffic does Csah 3 over Watonwan River carry?

About 237 vehicles per day (2023 count).

How long is Csah 3 over Watonwan River?

The structure is 49 ft (14.8 m) long with a longest span of 14 ft (4.4 m).

Who owns Csah 3 over Watonwan River?

It is owned by the County Highway Agency.