US Bridges

Cth C over Prairie River

Good

Lincoln County, Wisconsin · O.6M E JCT Cth K · Structure no. B35014300000000

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
678
2022 count
Owner
County
County Highway Agency

About this bridge

Cth C over Prairie River is a prestressed concrete stringer/multi-beam or girder carrying Cth C over Prairie River in Lincoln County, Wisconsin. It was built in 2005, so it is 20 years old, younger than the Wisconsin average of 40.3 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 678 vehicles a day, roughly 7% of them trucks, projected to reach 721 by 2042. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth C
CrossesPrairie River
LocationO.6M E JCT Cth K
RouteCounty Highway 0C
Coordinates45.2356, -89.65019
Functional classRural Minor Arterial

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 protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span97 ft (29.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2022)
Projected traffic721 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Cth C over Prairie River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Cth C over Prairie 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 June 2023.

How much traffic does Cth C over Prairie River carry?

About 678 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Cth C over Prairie River?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.7 m) and a deck 34 ft wide.

Who owns Cth C over Prairie River?

It is owned by the County Highway Agency.