Irr: Airport RD over Obrien Creek
FairCounty 063, Alaska · Chenega Bay Airport RD · Structure no. 1928
- Built
- 1993
- 32 years old
- Condition
- Fair
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 25
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Irr: Airport RD over Obrien Creek is a prestressed concrete tee beam carrying Irr: Airport RD over Obrien Creek in County 063, Alaska. It was built in 1993, so it is 32 years old, younger 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 6 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 25 vehicles a day, roughly 1% of them trucks, projected to reach 35 by 2035. The structure is 62 ft (18.9 m) long and 19 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irr: Airport RD over Obrien Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is Irr: Airport RD over Obrien Creek 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 August 2023.
How much traffic does Irr: Airport RD over Obrien Creek carry?
About 25 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Irr: Airport RD over Obrien Creek?
The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.7 m) and a deck 19 ft wide.
Who owns Irr: Airport RD over Obrien Creek?
It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.