US Bridges

Cth Hh over IH Ush 51-IH 39

Fair

Portage County, Wisconsin · 0.7M E JCT Ush B51 · Structure no. B49002100000000

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
2 main spans
Daily traffic
13,800
2021 count
Owner
State
State Highway Agency

About this bridge

Cth Hh over IH Ush 51-IH 39 is a steel continuous stringer/multi-beam or girder carrying Cth Hh over IH Ush 51-IH 39 in Portage County, Wisconsin. It was built in 1969, so it is 56 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 13,800 vehicles a day, projected to reach 13,800 by 2043. The structure is 179 ft (54.7 m) long and 90 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth Hh
CrossesIH Ush 51-IH 39
Location0.7M E JCT Ush B51
RouteCounty Highway 0HH
Coordinates44.49719, -89.5187
Functional classUrban Minor Arterial

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.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length179 ft (54.7 m)
Longest span91 ft (27.6 m)
Deck width90 ft (27.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,800 (2021)
Projected traffic13,800 by 2043
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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 Hh over IH Ush 51-IH 39 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Cth Hh 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 Hh over IH Ush 51-IH 39 carry?

About 13,800 vehicles per day (2021 count).

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

The structure is 179 ft (54.7 m) long with a longest span of 91 ft (27.6 m) and a deck 90 ft wide.

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

It is owned by the State Highway Agency.