Dalton Highway over Trevor Creek
FairNorth Slope Borough, Alaska · Mile Point 259.0 · Structure no. 1518
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 29 ft
- 1 main span
- Daily traffic
- 130
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Dalton Highway over Trevor Creek is a wood or timber stringer/multi-beam or girder carrying Dalton Highway over Trevor Creek in North Slope Borough, Alaska. It was built in 1982, so it is 43 years old, older than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 130 vehicles a day, roughly 75% of them trucks, projected to reach 190 by 2039. The structure is 29 ft (8.8 m) long and 29 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dalton Highway over Trevor Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is Dalton Highway over Trevor Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does Dalton Highway over Trevor Creek carry?
About 130 vehicles per day (2020 count), of which roughly 75% are trucks.
How long is Dalton Highway over Trevor Creek?
The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.1 m) and a deck 29 ft wide.
Who owns Dalton Highway over Trevor Creek?
It is owned by the State Highway Agency.