US Bridges

Ush 18 Eb-Ush 151 over Sugar River

Fair

Dane County, Wisconsin · 0.1M E JCT Cth G to S · Structure no. B13038300000000

Built
1991
34 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
12,350
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18 Eb-Ush 151 over Sugar River is a steel continuous stringer/multi-beam or girder carrying Ush 18 Eb-Ush 151 over Sugar River in Dane County, Wisconsin. It was built in 1991, so it is 34 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 12,350 vehicles a day, roughly 15% of them trucks, projected to reach 14,820 by 2042. The structure is 151 ft (46.1 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesUsh 18 Eb-Ush 151
CrossesSugar River
Location0.1M E JCT Cth G to S
RouteU.S. Route 18
CountyDane County
StateWisconsin
Coordinates42.98676, -89.57323
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46.1 m)
Longest span61 ft (18.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,350 (2022)
Projected traffic14,820 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 18 Eb-Ush 151 over Sugar River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ush 18 Eb-Ush 151 over Sugar River 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 May 2023.

How much traffic does Ush 18 Eb-Ush 151 over Sugar River carry?

About 12,350 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Ush 18 Eb-Ush 151 over Sugar River?

The structure is 151 ft (46.1 m) long with a longest span of 61 ft (18.6 m) and a deck 43 ft wide.

Who owns Ush 18 Eb-Ush 151 over Sugar River?

It is owned by the State Highway Agency.