US Bridges

Ush 51 over Soo Line RR

Fair

Rock County, Wisconsin · 11.4M N JCT Sth 81 · Structure no. B53015400000000

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
17,700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ush 51 over Soo Line RR is a concrete frame carrying Ush 51 over Soo Line RR in Rock County, Wisconsin. It was built in 1990, so it is 35 years old, younger 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 17,700 vehicles a day, roughly 3% of them trucks, projected to reach 17,024 by 2043. The structure is 44 ft (13.3 m) long and 75 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

Open in Google Maps
CarriesUsh 51
CrossesSoo Line RR
Location11.4M N JCT Sth 81
RouteU.S. Route 51
CountyRock County
StateWisconsin
Coordinates42.66845, -89.03136
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 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 rating79.1 US tons
Inventory rating46.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span36 ft (11 m)
Deck width75 ft (22.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,700 (2022)
Projected traffic17,024 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed20.5 mi (33 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ush 51 over Soo Line RR built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ush 51 over Soo Line 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 August 2024.

How much traffic does Ush 51 over Soo Line RR carry?

About 17,700 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Ush 51 over Soo Line RR?

The structure is 44 ft (13.3 m) long with a longest span of 36 ft (11 m) and a deck 75 ft wide.

Who owns Ush 51 over Soo Line RR?

It is owned by the City or Municipal Highway Agency.