US Bridges

Cth W over IH Ush 51-IH 39

Fair

Portage County, Wisconsin · 1.7M W JCT Cth Jj · Structure no. B49004400000000

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
219 ft
2 main spans
Daily traffic
1,500
2021 count
Owner
State
State Highway Agency

About this bridge

Cth W over IH Ush 51-IH 39 is a steel continuous stringer/multi-beam or girder carrying Cth W over IH Ush 51-IH 39 in Portage 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 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 1,500 vehicles a day, projected to reach 1,500 by 2043. The structure is 219 ft (66.8 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth W
CrossesIH Ush 51-IH 39
Location1.7M W JCT Cth Jj
RouteCounty Highway 0W
Coordinates44.30936, -89.52381
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span111 ft (33.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2021)
Projected traffic1,500 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 W over IH Ush 51-IH 39 built?

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

What condition is Cth W 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 July 2024.

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

About 1,500 vehicles per day (2021 count).

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

The structure is 219 ft (66.8 m) long with a longest span of 111 ft (33.8 m) and a deck 47 ft wide.

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

It is owned by the State Highway Agency.