US Bridges

Ush B51-GRAND Ave over Wisconsin Central Ltd

Fair

Marathon County, Wisconsin · 2.9M N JCT Sth 29 to E · Structure no. B37010000000000

Built
1964
61 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
156 ft
3 main spans
Daily traffic
31,844
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ush B51-GRAND Ave over Wisconsin Central Ltd is a steel continuous stringer/multi-beam or girder carrying Ush B51-GRAND Ave over Wisconsin Central Ltd in Marathon County, Wisconsin. It was built in 1964 and reconstructed in 1995, so it is 61 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 31,844 vehicles a day, roughly 3% of them trucks, projected to reach 25,750 by 2041. The structure is 156 ft (47.4 m) long and 76 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUsh B51-GRAND Ave
CrossesWisconsin Central Ltd
Location2.9M N JCT Sth 29 to E
RouteU.S. Route 51
Coordinates44.9493, -89.62172
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans3
Design loadHS 20
Structure length156 ft (47.4 m)
Longest span58 ft (17.7 m)
Deck width76 ft (23.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,844 (2024)
Projected traffic25,750 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ush B51-GRAND Ave over Wisconsin Central Ltd built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1995.

What condition is Ush B51-GRAND Ave over Wisconsin Central Ltd 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 September 2024.

How much traffic does Ush B51-GRAND Ave over Wisconsin Central Ltd carry?

About 31,844 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Ush B51-GRAND Ave over Wisconsin Central Ltd?

The structure is 156 ft (47.4 m) long with a longest span of 58 ft (17.7 m) and a deck 76 ft wide.

Who owns Ush B51-GRAND Ave over Wisconsin Central Ltd?

It is owned by the City or Municipal Highway Agency.