US Bridges

Ush 51 SB Exit Ram over Cth Bb & Railroad

Good

Dane County, Wisconsin · 1.5M S JCT Sth 30 · Structure no. B13066000000000

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
259 ft
2 main spans
Daily traffic
23,100
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 SB Exit Ram over Cth Bb & Railroad is a prestressed concrete stringer/multi-beam or girder carrying Ush 51 SB Exit Ram over Cth Bb & Railroad in Dane County, Wisconsin. It was built in 2015, so it is 10 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23,100 vehicles a day, roughly 10% of them trucks, projected to reach 27,720 by 2042. The structure is 259 ft (79 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUsh 51 SB Exit Ram
CrossesCth Bb & Railroad
Location1.5M S JCT Sth 30
RouteU.S. Route 51
Coordinates43.08397, -89.31164
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length259 ft (79 m)
Longest span129 ft (39.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,100 (2022)
Projected traffic27,720 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed2.5 mi (4 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 51 SB Exit Ram over Cth Bb & Railroad built?

It was built in 2015, making it 10 years old in 2025.

What condition is Ush 51 SB Exit Ram over Cth Bb & Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Ush 51 SB Exit Ram over Cth Bb & Railroad carry?

About 23,100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ush 51 SB Exit Ram over Cth Bb & Railroad?

The structure is 259 ft (79 m) long with a longest span of 129 ft (39.3 m) and a deck 35 ft wide.

Who owns Ush 51 SB Exit Ram over Cth Bb & Railroad?

It is owned by the State Highway Agency.