Chiniak Highway over Myrtle Creek
FairKodiak Island Borough, Alaska · Mile Point 21.7 · Structure no. 0292
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 94 ft
- 3 main spans
- Daily traffic
- 210
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Chiniak Highway over Myrtle Creek is a prestressed concrete tee beam carrying Chiniak Highway over Myrtle Creek in Kodiak Island Borough, Alaska. It was built in 1974, so it is 51 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 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 210 vehicles a day, roughly 2% of them trucks, projected to reach 250 by 2035. The structure is 94 ft (28.7 m) long and 28 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Chiniak Highway over Myrtle Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Chiniak Highway over Myrtle 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 September 2024.
How much traffic does Chiniak Highway over Myrtle Creek carry?
About 210 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is Chiniak Highway over Myrtle Creek?
The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.
Who owns Chiniak Highway over Myrtle Creek?
It is owned by the State Highway Agency.