US Bridges

Ush 51 SB over Lrd Milwaukee ST

Good

Dane County, Wisconsin · 0.6M S JCT Sth 30 to E · Structure no. B13032400000000

Built
1996
29 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
247 ft
2 main spans
Daily traffic
24,150
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 SB over Lrd Milwaukee ST is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 51 SB over Lrd Milwaukee ST in Dane County, Wisconsin. It was built in 1996, so it is 29 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 24,150 vehicles a day, roughly 14% of them trucks, projected to reach 28,980 by 2042. The structure is 247 ft (75.3 m) long and 59 ft wide.

CarriesUsh 51 SB
CrossesLrd Milwaukee ST
Location0.6M S JCT Sth 30 to E
RouteU.S. Route 51
Coordinates43.09879, -89.31667
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length247 ft (75.3 m)
Longest span129 ft (39.2 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,150 (2022)
Projected traffic28,980 by 2042
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 over Lrd Milwaukee ST built?

It was built in 1996, making it 29 years old in 2025.

What condition is Ush 51 SB over Lrd Milwaukee ST 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 August 2024.

How much traffic does Ush 51 SB over Lrd Milwaukee ST carry?

About 24,150 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Ush 51 SB over Lrd Milwaukee ST?

The structure is 247 ft (75.3 m) long with a longest span of 129 ft (39.2 m) and a deck 59 ft wide.

Who owns Ush 51 SB over Lrd Milwaukee ST?

It is owned by the State Highway Agency.