US Bridges

Ush 18 Eb-Ush 151 over Cth H

Fair

Iowa County, Wisconsin · 2.3M E JCT Cth Bb · Structure no. B25003300000000

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
7,600
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18 Eb-Ush 151 over Cth H is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 18 Eb-Ush 151 over Cth H in Iowa 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 7,600 vehicles a day, roughly 15% of them trucks, projected to reach 9,120 by 2042. The structure is 145 ft (44.2 m) long and 42 ft wide.

CarriesUsh 18 Eb-Ush 151
CrossesCth H
Location2.3M E JCT Cth Bb
RouteU.S. Route 18
Coordinates42.99699, -89.98434
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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span59 ft (18 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2022)
Projected traffic9,120 by 2042
Trucks15%
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 Eb-Ush 151 over Cth H built?

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

What condition is Ush 18 Eb-Ush 151 over Cth H 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 Eb-Ush 151 over Cth H carry?

About 7,600 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 145 ft (44.2 m) long with a longest span of 59 ft (18 m) and a deck 42 ft wide.

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

It is owned by the State Highway Agency.