US Bridges

IH 41/USH 45 Sb-Zo over UP RR

Fair

Milwaukee County, Wisconsin · 0.5M S JCT Sth 190 to E · Structure no. B40035800000000

Built
1967
58 years old, rebuilt 2000
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
366 ft
4 main spans
Daily traffic
78,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH 41/USH 45 Sb-Zo over UP RR is a steel continuous stringer/multi-beam or girder carrying IH 41/USH 45 Sb-Zo over UP RR in Milwaukee County, Wisconsin. It was built in 1967 and reconstructed in 2000, so it is 58 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 78,500 vehicles a day, roughly 12% of them trucks, projected to reach 66,580 by 2043. The structure is 366 ft (111.7 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesIH 41/USH 45 Sb-Zo
CrossesUP RR
Location0.5M S JCT Sth 190 to E
RouteInterstate 41
CountyMilwaukee County
StateWisconsin
Coordinates43.08352, -88.05725
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length366 ft (111.7 m)
Longest span119 ft (36.3 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,500 (2022)
Projected traffic66,580 by 2043
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 41/USH 45 Sb-Zo over UP RR built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2000.

What condition is IH 41/USH 45 Sb-Zo over UP 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 April 2024.

How much traffic does IH 41/USH 45 Sb-Zo over UP RR carry?

About 78,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is IH 41/USH 45 Sb-Zo over UP RR?

The structure is 366 ft (111.7 m) long with a longest span of 119 ft (36.3 m) and a deck 54 ft wide.

Who owns IH 41/USH 45 Sb-Zo over UP RR?

It is owned by the State Highway Agency.