Copper River HWY over Eyak River
PoorCounty 063, Alaska · Mile Point 5.7 · Structure no. 0381
- Built
- 1954
- 71 years old
- Condition
- Poor
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 255 ft
- 8 main spans
- Daily traffic
- 1,110
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Copper River HWY over Eyak River is a prestressed concrete slab carrying Copper River HWY over Eyak River in County 063, Alaska. It was built in 1954, so it is 71 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 1,110 vehicles a day, roughly 12% of them trucks, projected to reach 1,590 by 2039. The structure is 255 ft (77.7 m) long and 27 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 | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Copper River HWY over Eyak River built?
It was built in 1954, making it 71 years old in 2025.
What condition is Copper River HWY over Eyak River 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 Copper River HWY over Eyak River carry?
About 1,110 vehicles per day (2020 count), of which roughly 12% are trucks.
How long is Copper River HWY over Eyak River?
The structure is 255 ft (77.7 m) long with a longest span of 45 ft (13.7 m) and a deck 27 ft wide.
Who owns Copper River HWY over Eyak River?
It is owned by the State Highway Agency.