Sth 100 Sb|brown D over Cnw RR
FairMilwaukee County, Wisconsin · 2.2M S JCT Sth 181 · Structure no. B40049100000000
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 523 ft
- 6 main spans
- Daily traffic
- 9,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 100 Sb|brown D over Cnw RR is a steel continuous stringer/multi-beam or girder carrying Sth 100 Sb|brown D over Cnw RR in Milwaukee County, Wisconsin. It was built in 1976, so it is 49 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 9,000 vehicles a day, roughly 3% of them trucks, projected to reach 12,316 by 2043. The structure is 523 ft (159.5 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Sth 100 Sb|brown D over Cnw RR built?
It was built in 1976, making it 49 years old in 2025.
What condition is Sth 100 Sb|brown D over Cnw 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 Sth 100 Sb|brown D over Cnw RR carry?
About 9,000 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Sth 100 Sb|brown D over Cnw RR?
The structure is 523 ft (159.5 m) long with a longest span of 101 ft (30.8 m) and a deck 47 ft wide.
Who owns Sth 100 Sb|brown D over Cnw RR?
It is owned by the State Highway Agency.