US Bridges

Csah 1 over N Fk Watonwan River

Good

Watonwan County, Minnesota · 0.2 MI N of JCT CR 132 · Structure no. 83525

Built
1992
33 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
86 ft
3 main spans
Daily traffic
35
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over N Fk Watonwan River is a prestressed concrete tee beam carrying Csah 1 over N Fk Watonwan River in Watonwan County, Minnesota. It was built in 1992, so it is 33 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 35 vehicles a day, projected to reach 35 by 2035. The structure is 86 ft (26.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 1
CrossesN Fk Watonwan River
Location0.2 MI N of JCT CR 132
RouteCounty Highway 1
Coordinates44.07813, -94.67991
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length86 ft (26.3 m)
Longest span28 ft (8.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2016)
Projected traffic35 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 N Fk Watonwan River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Csah 1 over N Fk 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 October 2023.

How much traffic does Csah 1 over N Fk Watonwan River carry?

About 35 vehicles per day (2016 count).

How long is Csah 1 over N Fk Watonwan River?

The structure is 86 ft (26.3 m) long with a longest span of 28 ft (8.6 m) and a deck 35 ft wide.

Who owns Csah 1 over N Fk Watonwan River?

It is owned by the County Highway Agency.