US Bridges

IH Ush 51-IH 39 over Br Wisconsin River

Fair

Portage County, Wisconsin · 0.7M N JCT Sth 54 to E · Structure no. B49003400000000

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
14,100
2021 count
Owner
State
State Highway Agency

About this bridge

IH Ush 51-IH 39 over Br Wisconsin River is a concrete continuous culvert carrying IH Ush 51-IH 39 over Br Wisconsin River 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 14,100 vehicles a day, roughly 18% of them trucks, projected to reach 16,920 by 2041. The structure is 43 ft (13.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH Ush 51-IH 39
CrossesBr Wisconsin River
Location0.7M N JCT Sth 54 to E
RouteInterstate 39
Coordinates44.43786, -89.51824
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2021)
Projected traffic16,920 by 2041
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH Ush 51-IH 39 over Br Wisconsin River built?

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

What condition is IH Ush 51-IH 39 over Br Wisconsin River 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 Ush 51-IH 39 over Br Wisconsin River carry?

About 14,100 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is IH Ush 51-IH 39 over Br Wisconsin River?

The structure is 43 ft (13.2 m) long with a longest span of 10 ft (3 m).

Who owns IH Ush 51-IH 39 over Br Wisconsin River?

It is owned by the State Highway Agency.