US Bridges

Cth H over Lake Duroy

Fair

Price County, Wisconsin · 0.2M W JCT Sth 13 · Structure no. B50002800000000

Built
1975
50 years old, rebuilt 2018
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
1,734
2023 count
Owner
County
County Highway Agency

About this bridge

Cth H over Lake Duroy is a steel continuous stringer/multi-beam or girder carrying Cth H over Lake Duroy in Price County, Wisconsin. It was built in 1975 and reconstructed in 2018, so it is 50 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.

It carries about 1,734 vehicles a day, projected to reach 1,874 by 2043. The structure is 201 ft (61.2 m) long and 41 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesCth H
CrossesLake Duroy
Location0.2M W JCT Sth 13
RouteCounty Highway 0H
Coordinates45.69317, -90.39797
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.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length201 ft (61.2 m)
Longest span76 ft (23.1 m)
Deck width41 ft (12.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,734 (2023)
Projected traffic1,874 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.9 mi (40 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 H over Lake Duroy built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2018.

What condition is Cth H over Lake Duroy 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 June 2024.

How much traffic does Cth H over Lake Duroy carry?

About 1,734 vehicles per day (2023 count).

How long is Cth H over Lake Duroy?

The structure is 201 ft (61.2 m) long with a longest span of 76 ft (23.1 m) and a deck 41 ft wide.

Who owns Cth H over Lake Duroy?

It is owned by the County Highway Agency.