Sth 59 over Steel Brook
FairJefferson County, Wisconsin · 3.0M E JCT Cth D · Structure no. B28005900000000
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 28 ft
- 3 main spans
- Daily traffic
- 3,606
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 59 over Steel Brook is a concrete continuous culvert carrying Sth 59 over Steel Brook in Jefferson County, Wisconsin. It was built in 1970, so it is 55 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 3,606 vehicles a day, roughly 7% of them trucks, projected to reach 4,120 by 2044. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 59 over Steel Brook built?
It was built in 1970, making it 55 years old in 2025.
What condition is Sth 59 over Steel Brook 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 January 2025.
How much traffic does Sth 59 over Steel Brook carry?
About 3,606 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Sth 59 over Steel Brook?
The structure is 28 ft (8.4 m) long with a longest span of 8 ft (2.4 m).
Who owns Sth 59 over Steel Brook?
It is owned by the State Highway Agency.