IRR BIA RTE 735 over Sukkwan Strait
PoorPrince of Wales-Hyder Census Area, Alaska · 3.0 Miles East of Hydabur · Structure no. E09211T0735-010
- Built
- 1970
- 55 years old, rebuilt 1981
- Condition
- Poor
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 503 ft
- 7 main spans
- Daily traffic
- 5
- 2021 count
- Owner
- Tribal
- Indian Tribal Government
About this bridge
IRR BIA RTE 735 over Sukkwan Strait is a concrete box beam or girders - multiple carrying IRR BIA RTE 735 over Sukkwan Strait in Prince of Wales-Hyder Census Area, Alaska. It was built in 1970 and reconstructed in 1981, so it is 55 years old, older than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, posting recommended but not legally implemented.
It carries about 5 vehicles a day, projected to reach 12 by 2041. The structure is 503 ft (153.2 m) long and 48 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 735 over Sukkwan Strait built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1981.
What condition is IRR BIA RTE 735 over Sukkwan Strait in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does IRR BIA RTE 735 over Sukkwan Strait carry?
About 5 vehicles per day (2021 count).
How long is IRR BIA RTE 735 over Sukkwan Strait?
The structure is 503 ft (153.2 m) long with a longest span of 20 ft (6.1 m) and a deck 48 ft wide.
Who owns IRR BIA RTE 735 over Sukkwan Strait?
It is owned by the Indian Tribal Government.