Sth 170 over Tiffany Creek
GoodDunn County, Wisconsin · 2.0M E JCT Sth 128 · Structure no. B17013200000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 1,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 170 over Tiffany Creek is a concrete continuous slab carrying Sth 170 over Tiffany Creek in Dunn County, Wisconsin. It was built in 1997, so it is 28 years old, younger than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,300 vehicles a day, roughly 9% of them trucks, projected to reach 1,560 by 2043. The structure is 100 ft (30.4 m) long and 39 ft wide. If it were closed, the detour would be 26.7 mi (43 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 170 over Tiffany Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Sth 170 over Tiffany Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Sth 170 over Tiffany Creek carry?
About 1,300 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Sth 170 over Tiffany Creek?
The structure is 100 ft (30.4 m) long with a longest span of 49 ft (14.9 m) and a deck 39 ft wide.
Who owns Sth 170 over Tiffany Creek?
It is owned by the State Highway Agency.