US Bridges

Cth O over Wisconsin River 52

Poor

Oneida County, Wisconsin · 0.9M S JCT Sth 70 · Structure no. B43002500000000

Built
1979
46 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
2 main spans
Daily traffic
1,910
2024 count
Owner
County
County Highway Agency

About this bridge

Cth O over Wisconsin River 52 is a prestressed concrete stringer/multi-beam or girder carrying Cth O over Wisconsin River 52 in Oneida County, Wisconsin. It was built in 1979, so it is 46 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,910 vehicles a day, projected to reach 1,111 by 2043. The structure is 210 ft (64.1 m) long and 32 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesCth O
CrossesWisconsin River 52
Location0.9M S JCT Sth 70
RouteCounty Highway 0O
CountyOneida County
StateWisconsin
Coordinates45.88639, -89.435
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length210 ft (64.1 m)
Longest span104 ft (31.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,910 (2024)
Projected traffic1,111 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth O over Wisconsin River 52 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth O over Wisconsin River 52 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Cth O over Wisconsin River 52 carry?

About 1,910 vehicles per day (2024 count).

How long is Cth O over Wisconsin River 52?

The structure is 210 ft (64.1 m) long with a longest span of 104 ft (31.7 m) and a deck 32 ft wide.

Who owns Cth O over Wisconsin River 52?

It is owned by the County Highway Agency.