Coffman Cove Road over Diesel Creek
GoodPrince of Wales-Hyder Census Area, Alaska · Mile Point 6.4 · Structure no. 3001
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 80 ft
- 1 main span
- Daily traffic
- 120
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Coffman Cove Road over Diesel Creek is a prestressed concrete tee beam carrying Coffman Cove Road over Diesel Creek in Prince of Wales-Hyder Census Area, Alaska. It was built in 2003, so it is 22 years old, younger 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 120 vehicles a day, roughly 21% of them trucks, projected to reach 290 by 2039. The structure is 80 ft (24.4 m) long and 37 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 Coffman Cove Road over Diesel Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is Coffman Cove Road over Diesel 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 July 2023.
How much traffic does Coffman Cove Road over Diesel Creek carry?
About 120 vehicles per day (2020 count), of which roughly 21% are trucks.
How long is Coffman Cove Road over Diesel Creek?
The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 37 ft wide.
Who owns Coffman Cove Road over Diesel Creek?
It is owned by the State Highway Agency.