Irr:airport Road over Tununak River
FairBethel Census Area, Alaska · Nelson Island · Structure no. 1385
- Built
- 1978
- 47 years old, rebuilt 1987
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 65 ft
- 1 main span
- Daily traffic
- 46
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Irr:airport Road over Tununak River is a wood or timber stringer/multi-beam or girder carrying Irr:airport Road over Tununak River in Bethel Census Area, Alaska. It was built in 1978 and reconstructed in 1987, so it is 47 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 46 vehicles a day, roughly 6% of them trucks, projected to reach 60 by 2035. The structure is 65 ft (19.8 m) long and 16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irr:airport Road over Tununak River built?
It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1987.
What condition is Irr:airport Road over Tununak 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 2024.
How much traffic does Irr:airport Road over Tununak River carry?
About 46 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is Irr:airport Road over Tununak River?
The structure is 65 ft (19.8 m) long with a longest span of 45 ft (13.7 m) and a deck 16 ft wide.
Who owns Irr:airport Road over Tununak River?
It is owned by the City or Municipal Highway Agency.