Chiniak Highway over Salt Creek
PoorKodiak Island Borough, Alaska · Mile Point 8.6 · Structure no. 0385
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 157 ft
- 5 main spans
- Daily traffic
- 600
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Chiniak Highway over Salt Creek is a prestressed concrete tee beam carrying Chiniak Highway over Salt 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 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.
It carries about 600 vehicles a day, roughly 15% of them trucks, projected to reach 1,200 by 2039. The structure is 157 ft (47.8 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 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Chiniak Highway over Salt Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Chiniak Highway over Salt Creek 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 September 2024.
How much traffic does Chiniak Highway over Salt Creek carry?
About 600 vehicles per day (2020 count), of which roughly 15% are trucks.
How long is Chiniak Highway over Salt Creek?
The structure is 157 ft (47.8 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.
Who owns Chiniak Highway over Salt Creek?
It is owned by the State Highway Agency.