US Bridges

Ush 18 Wb-Ush 151 over Sth 92

Fair

Dane County, Wisconsin · 1.5M W JCT Cth P · Structure no. B13030100000000

Built
1984
41 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
9,100
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18 Wb-Ush 151 over Sth 92 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 18 Wb-Ush 151 over Sth 92 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 9,100 vehicles a day, roughly 8% of them trucks, projected to reach 10,920 by 2042. The structure is 133 ft (40.6 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUsh 18 Wb-Ush 151
CrossesSth 92
Location1.5M W JCT Cth P
RouteU.S. Route 18
Coordinates42.99771, -89.71965
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 rating75.6 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.6 m)
Longest span58 ft (17.7 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2022)
Projected traffic10,920 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 18 Wb-Ush 151 over Sth 92 built?

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

What condition is Ush 18 Wb-Ush 151 over Sth 92 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 July 2023.

How much traffic does Ush 18 Wb-Ush 151 over Sth 92 carry?

About 9,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ush 18 Wb-Ush 151 over Sth 92?

The structure is 133 ft (40.6 m) long with a longest span of 58 ft (17.7 m) and a deck 42 ft wide.

Who owns Ush 18 Wb-Ush 151 over Sth 92?

It is owned by the State Highway Agency.