Sterling Highway over Anchor River Culverts
GoodKenai Peninsula Borough, Alaska · Mile Point 117.1 · Structure no. 4020
- Built
- 1951
- 74 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Steel
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 3,490
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Sterling Highway over Anchor River Culverts is a steel culvert carrying Sterling Highway over Anchor River Culverts in Kenai Peninsula Borough, Alaska. It was built in 1951, so it is 74 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 3,490 vehicles a day, roughly 11% of them trucks, projected to reach 4,070 by 2039. The structure is 43 ft (13.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sterling Highway over Anchor River Culverts built?
It was built in 1951, making it 74 years old in 2025.
What condition is Sterling Highway over Anchor River Culverts 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 August 2023.
How much traffic does Sterling Highway over Anchor River Culverts carry?
About 3,490 vehicles per day (2020 count), of which roughly 11% are trucks.
How long is Sterling Highway over Anchor River Culverts?
The structure is 43 ft (13.1 m) long with a longest span of 8 ft (2.4 m).
Who owns Sterling Highway over Anchor River Culverts?
It is owned by the State Highway Agency.