US Bridges

IH 41/USH 45/STH10 over Sth 145

Fair

Milwaukee County, Wisconsin · 0.2 MI N JCT Cth Pp · Structure no. B40039500000000

Built
2000
25 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
331 ft
4 main spans
Daily traffic
51,000
2022 count
Owner
State
State Highway Agency

About this bridge

IH 41/USH 45/STH10 over Sth 145 is a prestressed concrete stringer/multi-beam or girder carrying IH 41/USH 45/STH10 over Sth 145 in Milwaukee County, Wisconsin. It was built in 2000, so it is 25 years old, younger 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 51,000 vehicles a day, roughly 3% of them trucks, projected to reach 55,670 by 2043. The structure is 331 ft (100.9 m) long and 71 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesIH 41/USH 45/STH10
CrossesSth 145
Location0.2 MI N JCT Cth Pp
RouteInterstate 41
CountyMilwaukee County
StateWisconsin
Coordinates43.15018, -88.05444
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length331 ft (100.9 m)
Longest span104 ft (31.6 m)
Deck width71 ft (21.5 m)
Roadway width68 ft (20.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2022)
Projected traffic55,670 by 2043
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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/STH10 over Sth 145 built?

It was built in 2000, making it 25 years old in 2025.

What condition is IH 41/USH 45/STH10 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 March 2024.

How much traffic does IH 41/USH 45/STH10 over Sth 145 carry?

About 51,000 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is IH 41/USH 45/STH10 over Sth 145?

The structure is 331 ft (100.9 m) long with a longest span of 104 ft (31.6 m) and a deck 71 ft wide.

Who owns IH 41/USH 45/STH10 over Sth 145?

It is owned by the State Highway Agency.