Dalton Highway over Marion Creek
GoodYukon-Koyukuk Census Area, Alaska · Mile Point 179.4 · Structure no. 1438
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 102 ft
- 1 main span
- Daily traffic
- 140
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Dalton Highway over Marion Creek is a prestressed concrete tee beam carrying Dalton Highway over Marion Creek in Yukon-Koyukuk 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 140 vehicles a day, roughly 62% of them trucks, projected to reach 560 by 2039. The structure is 102 ft (31.1 m) long and 35 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dalton Highway over Marion Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is Dalton Highway over Marion 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 2024.
How much traffic does Dalton Highway over Marion Creek carry?
About 140 vehicles per day (2020 count), of which roughly 62% are trucks.
How long is Dalton Highway over Marion Creek?
The structure is 102 ft (31.1 m) long with a longest span of 99 ft (30.2 m) and a deck 35 ft wide.
Who owns Dalton Highway over Marion Creek?
It is owned by the State Highway Agency.