Hydaburg Highway over Harris River
FairPrince of Wales-Hyder Census Area, Alaska · Mile Point 22.1 · Structure no. 1355
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 125 ft
- 3 main spans
- Daily traffic
- 130
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Hydaburg Highway over Harris River is a prestressed concrete tee beam carrying Hydaburg Highway over Harris River in Prince of Wales-Hyder Census Area, Alaska. It was built in 1976, so it is 49 years old, older than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 130 vehicles a day, roughly 8% of them trucks, projected to reach 170 by 2039. The structure is 125 ft (38.1 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Hydaburg Highway over Harris River built?
It was built in 1976, making it 49 years old in 2025.
What condition is Hydaburg Highway over Harris River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does Hydaburg Highway over Harris River carry?
About 130 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Hydaburg Highway over Harris River?
The structure is 125 ft (38.1 m) long with a longest span of 101 ft (30.8 m) and a deck 26 ft wide.
Who owns Hydaburg Highway over Harris River?
It is owned by the State Highway Agency.