US Bridges

Cth E-Wb Silver SP over Sth 145

Fair

Milwaukee County, Wisconsin · 0.3 MI W JCT Sth 181 · Structure no. B40025400000000

Built
1964
61 years old, rebuilt 2024
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
4 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

Cth E-Wb Silver SP over Sth 145 is a steel continuous stringer/multi-beam or girder carrying Cth E-Wb Silver SP over Sth 145 in Milwaukee County, Wisconsin. It was built in 1964 and reconstructed in 2024, so it is 61 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 11,000 vehicles a day, projected to reach 11,000 by 2042. The structure is 258 ft (78.6 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth E-Wb Silver SP
CrossesSth 145
Location0.3 MI W JCT Sth 181
RouteCounty Highway 0E
Coordinates43.11973, -88.01189
Functional classUrban Other Principal 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
Deck9 ExcellentNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span94 ft (28.7 m)
Deck width44 ft (13.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic11,000 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth E-Wb Silver SP over Sth 145 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2024.

What condition is Cth E-Wb Silver SP over Sth 145 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 September 2023.

How much traffic does Cth E-Wb Silver SP over Sth 145 carry?

About 11,000 vehicles per day (2023 count).

How long is Cth E-Wb Silver SP over Sth 145?

The structure is 258 ft (78.6 m) long with a longest span of 94 ft (28.7 m) and a deck 44 ft wide.

Who owns Cth E-Wb Silver SP over Sth 145?

It is owned by the State Highway Agency.