Big Salt Lake Road over Duke Creek
GoodPrince of Wales-Hyder Census Area, Alaska · Mile Point 4.1 · Structure no. 4063
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Steel
- Length
- 29 ft
- 1 main span
- Daily traffic
- 310
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Big Salt Lake Road over Duke Creek is a steel culvert carrying Big Salt Lake Road over Duke Creek in Prince of Wales-Hyder Census Area, Alaska. It was built in 1999, so it is 26 years old, younger than the Alaska average of 35.9 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 310 vehicles a day, roughly 28% of them trucks, projected to reach 660 by 2039. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 123.7 mi (199 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Big Salt Lake Road over Duke Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is Big Salt Lake Road over Duke 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 July 2023.
How much traffic does Big Salt Lake Road over Duke Creek carry?
About 310 vehicles per day (2020 count), of which roughly 28% are trucks.
How long is Big Salt Lake Road over Duke Creek?
The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m).
Who owns Big Salt Lake Road over Duke Creek?
It is owned by the State Highway Agency.