Chiniak Highway over Roslyn Creek
GoodKodiak Island Borough, Alaska · Mile Point 25.7 · Structure no. 0208
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 63 ft
- 2 main spans
- Daily traffic
- 166
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Chiniak Highway over Roslyn Creek is a prestressed concrete tee beam carrying Chiniak Highway over Roslyn 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 166 vehicles a day, roughly 11% of them trucks, projected to reach 300 by 2035. The structure is 63 ft (19.2 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Chiniak Highway over Roslyn Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Chiniak Highway over Roslyn Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Chiniak Highway over Roslyn Creek carry?
About 166 vehicles per day (2018 count), of which roughly 11% are trucks.
How long is Chiniak Highway over Roslyn Creek?
The structure is 63 ft (19.2 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.
Who owns Chiniak Highway over Roslyn Creek?
It is owned by the State Highway Agency.