Copper River HWY over Copper Delta
PoorClosed to trafficCounty 063, Alaska · Mile Point 36.2 · Structure no. 0339
- Built
- 1977
- 48 years old
- Condition
- Poor
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 401 ft
- 5 main spans
- Daily traffic
- 65
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
Copper River HWY over Copper Delta is a prestressed concrete tee beam carrying Copper River HWY over Copper Delta in County 063, Alaska. It was built in 1977, so it is 48 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. Its operating status is: closed to all traffic.
It carries about 65 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2030. The structure is 401 ft (122.2 m) long and 31 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 1 Imminent Failure | Major deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Copper River HWY over Copper Delta built?
It was built in 1977, making it 48 years old in 2025.
What condition is Copper River HWY over Copper Delta 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 Copper Delta carry?
About 65 vehicles per day (2011 count), of which roughly 1% are trucks.
How long is Copper River HWY over Copper Delta?
The structure is 401 ft (122.2 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.
Who owns Copper River HWY over Copper Delta?
It is owned by the State Highway Agency.