US Bridges

Sth 32 Nb-Prospect over Abandoned RR

Fair

Milwaukee County, Wisconsin · 1.6M N JCT Ush 18 to W · Structure no. B40002900000000

Built
1957
68 years old, rebuilt 2008
Condition
Fair
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
106 ft
1 main span
Daily traffic
9,593
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sth 32 Nb-Prospect over Abandoned RR is a steel girder and floorbeam system carrying Sth 32 Nb-Prospect over Abandoned RR in Milwaukee County, Wisconsin. It was built in 1957 and reconstructed in 2008, so it is 68 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 9,593 vehicles a day, roughly 3% of them trucks, projected to reach 13,153 by 2042. The structure is 106 ft (32.3 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSth 32 Nb-Prospect
CrossesAbandoned RR
Location1.6M N JCT Ush 18 to W
RouteState Highway 32
CountyMilwaukee County
StateWisconsin
Coordinates43.05724, -87.88645
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span96 ft (29.3 m)
Deck width64 ft (19.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,593 (2023)
Projected traffic13,153 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sth 32 Nb-Prospect over Abandoned RR built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2008.

What condition is Sth 32 Nb-Prospect over Abandoned RR 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 October 2023.

How much traffic does Sth 32 Nb-Prospect over Abandoned RR carry?

About 9,593 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sth 32 Nb-Prospect over Abandoned RR?

The structure is 106 ft (32.3 m) long with a longest span of 96 ft (29.3 m) and a deck 64 ft wide.

Who owns Sth 32 Nb-Prospect over Abandoned RR?

It is owned by the City or Municipal Highway Agency.