US Bridges

Ush 18 Wb-Ush 151 over Lrd Sand Rock RD

Fair

Dane County, Wisconsin · 0.8M W JCT Cth Jg · Structure no. B13029800000000

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
9,000
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18 Wb-Ush 151 over Lrd Sand Rock RD is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 18 Wb-Ush 151 over Lrd Sand Rock RD in Dane County, Wisconsin. It was built in 1984, so it is 41 years old, older 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 8% of them trucks, projected to reach 22,820 by 2043. The structure is 163 ft (49.7 m) long and 43 ft wide.

CarriesUsh 18 Wb-Ush 151
CrossesLrd Sand Rock RD
Location0.8M W JCT Cth Jg
RouteU.S. Route 18
Coordinates42.99412, -89.74492
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 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 rating62.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span68 ft (20.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2022)
Projected traffic22,820 by 2043
Trucks8%
Lanes on structure2
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 18 Wb-Ush 151 over Lrd Sand Rock RD built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ush 18 Wb-Ush 151 over Lrd Sand Rock RD 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 September 2024.

How much traffic does Ush 18 Wb-Ush 151 over Lrd Sand Rock RD carry?

About 9,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ush 18 Wb-Ush 151 over Lrd Sand Rock RD?

The structure is 163 ft (49.7 m) long with a longest span of 68 ft (20.7 m) and a deck 43 ft wide.

Who owns Ush 18 Wb-Ush 151 over Lrd Sand Rock RD?

It is owned by the State Highway Agency.