US Bridges

IH USH51-IH39NB over Wcl RR

Fair

Portage County, Wisconsin · 5.8M N JCT Sth 54 to E · Structure no. B49002200000000

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
11,800
2021 count
Owner
State
State Highway Agency

About this bridge

IH USH51-IH39NB over Wcl RR is a concrete continuous slab carrying IH USH51-IH39NB over Wcl RR 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 11,800 vehicles a day, roughly 15% of them trucks, projected to reach 21,172 by 2043. The structure is 137 ft (41.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesIH USH51-IH39NB
CrossesWcl RR
Location5.8M N JCT Sth 54 to E
RouteInterstate 39
CountyPortage County
StateWisconsin
Coordinates44.51221, -89.5185
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.7 m)
Longest span55 ft (16.9 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2021)
Projected traffic21,172 by 2043
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH USH51-IH39NB over Wcl RR built?

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

What condition is IH USH51-IH39NB over Wcl RR 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 IH USH51-IH39NB over Wcl RR carry?

About 11,800 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is IH USH51-IH39NB over Wcl RR?

The structure is 137 ft (41.7 m) long with a longest span of 55 ft (16.9 m) and a deck 42 ft wide.

Who owns IH USH51-IH39NB over Wcl RR?

It is owned by the State Highway Agency.