US Bridges

Ush 18 Wb-State ST over Milwaukee River

Fair

Milwaukee County, Wisconsin · 0.4M W JCT Sth 32 to N · Structure no. B40098000000000

Built
1924
101 years old
Condition
Fair
inspected May 2024
Type
Movable - Bascule
Steel
Length
274 ft
1 main span
Daily traffic
5,123
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ush 18 Wb-State ST over Milwaukee River is a steel movable - bascule carrying Ush 18 Wb-State ST over Milwaukee River in Milwaukee County, Wisconsin. It was built in 1924, so it is 101 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 5,123 vehicles a day, roughly 6% of them trucks, projected to reach 6,642 by 2043. The structure is 274 ft (83.5 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUsh 18 Wb-State ST
CrossesMilwaukee River
Location0.4M W JCT Sth 32 to N
RouteU.S. Route 18
Coordinates43.04286, -87.91369
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1 (+1 approach)
Design loadH 15
Structure length274 ft (83.5 m)
Longest span119 ft (36.3 m)
Deck width81 ft (24.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,123 (2023)
Projected traffic6,642 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 18 Wb-State ST over Milwaukee River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Ush 18 Wb-State ST over Milwaukee River 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 May 2024.

How much traffic does Ush 18 Wb-State ST over Milwaukee River carry?

About 5,123 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Ush 18 Wb-State ST over Milwaukee River?

The structure is 274 ft (83.5 m) long with a longest span of 119 ft (36.3 m) and a deck 81 ft wide.

Who owns Ush 18 Wb-State ST over Milwaukee River?

It is owned by the City or Municipal Highway Agency.