US Bridges

Ush 18 WB (state S over IH 43

Good

Milwaukee County, Wisconsin · 1.1 MI E JCT Sth 57 · Structure no. B40068500000000

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
3 main spans
Daily traffic
5,900
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18 WB (state S over IH 43 is a prestressed concrete stringer/multi-beam or girder carrying Ush 18 WB (state S over IH 43 in Milwaukee County, Wisconsin. It was built in 2005, so it is 20 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,900 vehicles a day, projected to reach 17,000 by 2042. The structure is 256 ft (77.9 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUsh 18 WB (state S
CrossesIH 43
Location1.1 MI E JCT Sth 57
RouteU.S. Route 18
Coordinates43.04328, -87.92494
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length256 ft (77.9 m)
Longest span105 ft (32 m)
Deck width67 ft (20.4 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2022)
Projected traffic17,000 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ush 18 WB (state S over IH 43 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ush 18 WB (state S over IH 43 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 May 2023.

How much traffic does Ush 18 WB (state S over IH 43 carry?

About 5,900 vehicles per day (2022 count).

How long is Ush 18 WB (state S over IH 43?

The structure is 256 ft (77.9 m) long with a longest span of 105 ft (32 m) and a deck 67 ft wide.

Who owns Ush 18 WB (state S over IH 43?

It is owned by the State Highway Agency.