US Bridges

Lrd South Towne DR over Ush 12/18-S Beltline

Fair

Dane County, Wisconsin · 0.1M S JCT Broadway ST · Structure no. B13031100000000

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
195 ft
2 main spans
Daily traffic
19,800
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd South Towne DR over Ush 12/18-S Beltline is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd South Towne DR over Ush 12/18-S Beltline in Dane County, Wisconsin. It was built in 1988, so it is 37 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 19,800 vehicles a day, projected to reach 23,760 by 2042. The structure is 195 ft (59.5 m) long and 118 ft wide.

Location

Open in Google Maps
CarriesLrd South Towne DR
CrossesUsh 12/18-S Beltline
Location0.1M S JCT Broadway ST
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates43.04362, -89.35407
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length195 ft (59.5 m)
Longest span97 ft (29.7 m)
Deck width118 ft (36 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,800 (2022)
Projected traffic23,760 by 2042
Trucks0%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lrd South Towne DR over Ush 12/18-S Beltline built?

It was built in 1988, making it 37 years old in 2025.

What condition is Lrd South Towne DR over Ush 12/18-S Beltline 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 June 2023.

How much traffic does Lrd South Towne DR over Ush 12/18-S Beltline carry?

About 19,800 vehicles per day (2022 count).

How long is Lrd South Towne DR over Ush 12/18-S Beltline?

The structure is 195 ft (59.5 m) long with a longest span of 97 ft (29.7 m) and a deck 118 ft wide.

Who owns Lrd South Towne DR over Ush 12/18-S Beltline?

It is owned by the State Highway Agency.