US Bridges

Ush 18 EB / Ush 18 over Ush 151

Fair

Iowa County, Wisconsin · 1.7M E JCT Sth 23 · Structure no. B25001800000000

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
199 ft
2 main spans
Daily traffic
4,270
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18 EB / Ush 18 over Ush 151 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 18 EB / Ush 18 over Ush 151 in Iowa County, Wisconsin. It was built in 1980, so it is 45 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 4,270 vehicles a day, roughly 9% of them trucks, projected to reach 5,124 by 2042. The structure is 199 ft (60.6 m) long and 79 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesUsh 18 EB / Ush 18
CrossesUsh 151
Location1.7M E JCT Sth 23
RouteU.S. Route 18
CountyIowa County
StateWisconsin
Coordinates42.96424, -90.10302
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length199 ft (60.6 m)
Longest span96 ft (29.4 m)
Deck width79 ft (24.1 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,270 (2022)
Projected traffic5,124 by 2042
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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 18 over Ush 151 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ush 18 EB / Ush 18 over Ush 151 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 January 2024.

How much traffic does Ush 18 EB / Ush 18 over Ush 151 carry?

About 4,270 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ush 18 EB / Ush 18 over Ush 151?

The structure is 199 ft (60.6 m) long with a longest span of 96 ft (29.4 m) and a deck 79 ft wide.

Who owns Ush 18 EB / Ush 18 over Ush 151?

It is owned by the State Highway Agency.