US Bridges

Ush 18 Eb-Ush 151 over Cth J

Fair

Dane County, Wisconsin · 2.9M E JCT Cth P · Structure no. B13005100000000

Built
1955
70 years old, rebuilt 1991
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
135 ft
3 main spans
Daily traffic
10,450
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18 Eb-Ush 151 over Cth J is a steel continuous stringer/multi-beam or girder carrying Ush 18 Eb-Ush 151 over Cth J in Dane County, Wisconsin. It was built in 1955 and reconstructed in 1991, so it is 70 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 5 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 10,450 vehicles a day, roughly 8% of them trucks, projected to reach 12,540 by 2042. The structure is 135 ft (41.1 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesUsh 18 Eb-Ush 151
CrossesCth J
Location2.9M E JCT Cth P
RouteU.S. Route 18
CountyDane County
StateWisconsin
Coordinates42.98806, -89.62733
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length135 ft (41.1 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,450 (2022)
Projected traffic12,540 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 Eb-Ush 151 over Cth J built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1991.

What condition is Ush 18 Eb-Ush 151 over Cth J 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 April 2023.

How much traffic does Ush 18 Eb-Ush 151 over Cth J carry?

About 10,450 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ush 18 Eb-Ush 151 over Cth J?

The structure is 135 ft (41.1 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns Ush 18 Eb-Ush 151 over Cth J?

It is owned by the State Highway Agency.