US Bridges

Cth C over Nemadji River

Fair

Douglas County, Wisconsin · 0.4M E JCT Sth 35 · Structure no. B16002200000000

Built
1968
57 years old, rebuilt 2016
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
241 ft
4 main spans
Daily traffic
2,257
2022 count
Owner
County
County Highway Agency

About this bridge

Cth C over Nemadji River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth C over Nemadji River in Douglas County, Wisconsin. It was built in 1968 and reconstructed in 2016, so it is 57 years old, older than the Wisconsin average of 40.3 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 2,257 vehicles a day, roughly 5% of them trucks, projected to reach 2,482 by 2043. The structure is 241 ft (73.6 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth C
CrossesNemadji River
Location0.4M E JCT Sth 35
RouteCounty Highway 0C
Coordinates46.63311, -92.09494
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating21.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length241 ft (73.6 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,257 (2022)
Projected traffic2,482 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Nemadji River built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2016.

What condition is Cth C over Nemadji 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 2024.

How much traffic does Cth C over Nemadji River carry?

About 2,257 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth C over Nemadji River?

The structure is 241 ft (73.6 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns Cth C over Nemadji River?

It is owned by the County Highway Agency.