IH 41/USH 45/STH 1 over Sth 175 SB
FairMilwaukee County, Wisconsin · 0.2 MI N JCT Sth 175 · Structure no. B40034700000000
- Built
- 1967
- 58 years old, rebuilt 1986
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 149 ft
- 3 main spans
- Daily traffic
- 58,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH 41/USH 45/STH 1 over Sth 175 SB is a steel continuous stringer/multi-beam or girder carrying IH 41/USH 45/STH 1 over Sth 175 SB in Milwaukee County, Wisconsin. It was built in 1967 and reconstructed in 1986, 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 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 58,500 vehicles a day, roughly 3% of them trucks, projected to reach 55,333 by 2043. The structure is 149 ft (45.5 m) long and 59 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 41/USH 45/STH 1 over Sth 175 SB built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1986.
What condition is IH 41/USH 45/STH 1 over Sth 175 SB 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 August 2024.
How much traffic does IH 41/USH 45/STH 1 over Sth 175 SB carry?
About 58,500 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is IH 41/USH 45/STH 1 over Sth 175 SB?
The structure is 149 ft (45.5 m) long with a longest span of 63 ft (19.2 m) and a deck 59 ft wide.
Who owns IH 41/USH 45/STH 1 over Sth 175 SB?
It is owned by the State Highway Agency.