US Bridges

Cth N over Lake Nokomis Flowage

FairPosted for load

Oneida County, Wisconsin · 1.5M E JCT Ush 51 · Structure no. B43001200000000

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
605
2024 count
Owner
County
County Highway Agency

About this bridge

Cth N over Lake Nokomis Flowage is a concrete continuous slab carrying Cth N over Lake Nokomis Flowage in Oneida County, Wisconsin. It was built in 1965, so it is 60 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 605 vehicles a day, projected to reach 641 by 2043. The structure is 91 ft (27.8 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCth N
CrossesLake Nokomis Flowage
Location1.5M E JCT Ush 51
RouteCounty Highway 0N
CountyOneida County
StateWisconsin
Coordinates45.5596, -89.69502
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length91 ft (27.8 m)
Longest span37 ft (11.3 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic605 (2024)
Projected traffic641 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 N over Lake Nokomis Flowage built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cth N over Lake Nokomis Flowage 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 July 2024.

How much traffic does Cth N over Lake Nokomis Flowage carry?

About 605 vehicles per day (2024 count).

How long is Cth N over Lake Nokomis Flowage?

The structure is 91 ft (27.8 m) long with a longest span of 37 ft (11.3 m) and a deck 38 ft wide.

Who owns Cth N over Lake Nokomis Flowage?

It is owned by the County Highway Agency.