Hydaburg Highway over Hydaburg River
GoodPrince of Wales-Hyder Census Area, Alaska · Mile Point 0.5 · Structure no. 1566
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 100 ft
- 1 main span
- Daily traffic
- 80
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Hydaburg Highway over Hydaburg River is a prestressed concrete tee beam carrying Hydaburg Highway over Hydaburg River in Prince of Wales-Hyder Census Area, Alaska. It was built in 1985, so it is 40 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 80 vehicles a day, roughly 8% of them trucks, projected to reach 90 by 2039. The structure is 100 ft (30.5 m) long and 29 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hydaburg Highway over Hydaburg River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Hydaburg Highway over Hydaburg River 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 Hydaburg Highway over Hydaburg River carry?
About 80 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Hydaburg Highway over Hydaburg River?
The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 29 ft wide.
Who owns Hydaburg Highway over Hydaburg River?
It is owned by the State Highway Agency.