US Bridges

Ush 51 over Cth F

Fair

Rock County, Wisconsin · 2.0M N JCT Sth 26 · Structure no. B53018300000000

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
220 ft
3 main spans
Daily traffic
9,000
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 over Cth F is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 51 over Cth F in Rock County, Wisconsin. It was built in 1995, so it is 30 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 9,000 vehicles a day, roughly 3% of them trucks, projected to reach 14,460 by 2042. The structure is 220 ft (67.1 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUsh 51
CrossesCth F
Location2.0M N JCT Sth 26
RouteU.S. Route 51
Coordinates42.71505, -89.0308
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 rating79.1 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span73 ft (22.3 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2022)
Projected traffic14,460 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 51 over Cth F built?

It was built in 1995, making it 30 years old in 2025.

What condition is Ush 51 over Cth F 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 April 2023.

How much traffic does Ush 51 over Cth F carry?

About 9,000 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Ush 51 over Cth F?

The structure is 220 ft (67.1 m) long with a longest span of 73 ft (22.3 m) and a deck 63 ft wide.

Who owns Ush 51 over Cth F?

It is owned by the State Highway Agency.