North Thorne over Mod
GoodPrince of Wales-Hyder Census Area, Alaska · Thorne Bay · Structure no. 100554000013476
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Wood or Timber
- Length
- 40 ft
- 1 main span
- Daily traffic
- 5
- 2018 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
North Thorne over Mod is a wood or timber slab carrying North Thorne over Mod in Prince of Wales-Hyder Census Area, Alaska. It was built in 2010, so it is 15 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 5 vehicles a day, projected to reach 7 by 2045. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 620.7 mi (999 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 North Thorne over Mod built?
It was built in 2010, making it 15 years old in 2025.
What condition is North Thorne over Mod 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 2024.
How much traffic does North Thorne over Mod carry?
About 5 vehicles per day (2018 count).
How long is North Thorne over Mod?
The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.4 m) and a deck 18 ft wide.
Who owns North Thorne over Mod?
It is owned by the U.S. Forest Service.