US Bridges

Cth X over IH Ush 51-IH 39

Fair

Columbia County, Wisconsin · 0.1M W JCT Cth Cx · Structure no. B11006700000000

Built
1966
59 years old, rebuilt 1992
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
1,130
2022 count
Owner
State
State Highway Agency

About this bridge

Cth X over IH Ush 51-IH 39 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth X over IH Ush 51-IH 39 in Columbia County, Wisconsin. It was built in 1966 and reconstructed in 1992, so it is 59 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 1,130 vehicles a day, projected to reach 495 by 2043. The structure is 177 ft (53.9 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth X
CrossesIH Ush 51-IH 39
Location0.1M W JCT Cth Cx
RouteCounty Highway 0X
Coordinates43.58443, -89.47011
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length177 ft (53.9 m)
Longest span88 ft (26.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (2022)
Projected traffic495 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth X over IH Ush 51-IH 39 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1992.

What condition is Cth X over IH Ush 51-IH 39 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 August 2024.

How much traffic does Cth X over IH Ush 51-IH 39 carry?

About 1,130 vehicles per day (2022 count).

How long is Cth X over IH Ush 51-IH 39?

The structure is 177 ft (53.9 m) long with a longest span of 88 ft (26.8 m) and a deck 33 ft wide.

Who owns Cth X over IH Ush 51-IH 39?

It is owned by the State Highway Agency.