Thorne Bay Road over Falls Creek
GoodPrince of Wales-Hyder Census Area, Alaska · Mile Point 13.6 · Structure no. 1463
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 57 ft
- 1 main span
- Daily traffic
- 190
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Thorne Bay Road over Falls Creek is a wood or timber stringer/multi-beam or girder carrying Thorne Bay Road over Falls Creek in Prince of Wales-Hyder Census Area, Alaska. It was built in 1975, so it is 50 years old, older 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 190 vehicles a day, roughly 26% of them trucks, projected to reach 230 by 2039. The structure is 57 ft (17.4 m) long and 25 ft wide. 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thorne Bay Road over Falls Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is Thorne Bay Road over Falls 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 Thorne Bay Road over Falls Creek carry?
About 190 vehicles per day (2020 count), of which roughly 26% are trucks.
How long is Thorne Bay Road over Falls Creek?
The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 25 ft wide.
Who owns Thorne Bay Road over Falls Creek?
It is owned by the State Highway Agency.