US Bridges

Cth Hhh over Ush 18 / Ush 151

Good

Iowa County, Wisconsin · Please Update Location · Structure no. B25017500000000

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
233 ft
2 main spans
Daily traffic
690
2022 count
Owner
State
State Highway Agency

About this bridge

Cth Hhh over Ush 18 / Ush 151 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Hhh over Ush 18 / Ush 151 in Iowa County, Wisconsin. It was built in 2018, so it is 7 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 690 vehicles a day, projected to reach 828 by 2042. The structure is 233 ft (71.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth Hhh
CrossesUsh 18 / Ush 151
LocationPlease Update Location
RouteCounty Highway 0HHH
Coordinates42.99361, -89.99861
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length233 ft (71.1 m)
Longest span120 ft (36.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2022)
Projected traffic828 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 Cth Hhh over Ush 18 / Ush 151 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Cth Hhh over Ush 18 / Ush 151 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Cth Hhh over Ush 18 / Ush 151 carry?

About 690 vehicles per day (2022 count).

How long is Cth Hhh over Ush 18 / Ush 151?

The structure is 233 ft (71.1 m) long with a longest span of 120 ft (36.6 m) and a deck 43 ft wide.

Who owns Cth Hhh over Ush 18 / Ush 151?

It is owned by the State Highway Agency.