Sth 170 over Beaver Creek
FairDunn County, Wisconsin · 0.1M E JCT Cth Q to N · Structure no. B17001700000000
- Built
- 1956
- 69 years old, rebuilt 1997
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 2,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 170 over Beaver Creek is a steel stringer/multi-beam or girder carrying Sth 170 over Beaver Creek in Dunn County, Wisconsin. It was built in 1956 and reconstructed in 1997, so it is 69 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 2,500 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2043. The structure is 140 ft (42.7 m) long and 31 ft wide. If it were closed, the detour would be 26.7 mi (43 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 170 over Beaver Creek built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1997.
What condition is Sth 170 over Beaver Creek 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 Sth 170 over Beaver Creek carry?
About 2,500 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Sth 170 over Beaver Creek?
The structure is 140 ft (42.7 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.
Who owns Sth 170 over Beaver Creek?
It is owned by the State Highway Agency.