US Bridges

Ush Sth 54-USH B51 over IH Ush 51-IH 39

Fair

Portage County, Wisconsin · 0.2M N JCT Ush 51 · Structure no. B49001300000000

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
2 main spans
Daily traffic
4,300
2021 count
Owner
State
State Highway Agency

About this bridge

Ush Sth 54-USH B51 over IH Ush 51-IH 39 is a steel continuous stringer/multi-beam or girder carrying Ush Sth 54-USH B51 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 4,300 vehicles a day, roughly 5% of them trucks, projected to reach 5,160 by 2041. The structure is 263 ft (80.1 m) long and 47 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesUsh Sth 54-USH B51
CrossesIH Ush 51-IH 39
Location0.2M N JCT Ush 51
RouteU.S. Route 51
CountyPortage County
StateWisconsin
Coordinates44.43079, -89.51903
Functional classUrban Other Principal 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
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length263 ft (80.1 m)
Longest span132 ft (40.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2021)
Projected traffic5,160 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemYes

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 Ush Sth 54-USH B51 over IH Ush 51-IH 39 built?

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

What condition is Ush Sth 54-USH B51 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 Ush Sth 54-USH B51 over IH Ush 51-IH 39 carry?

About 4,300 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ush Sth 54-USH B51 over IH Ush 51-IH 39?

The structure is 263 ft (80.1 m) long with a longest span of 132 ft (40.2 m) and a deck 47 ft wide.

Who owns Ush Sth 54-USH B51 over IH Ush 51-IH 39?

It is owned by the State Highway Agency.