Steese Highway over Ptarmigan Creek
GoodYukon-Koyukuk Census Area, Alaska · Mile Point 96.8 · Structure no. 1242
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 116 ft
- 1 main span
- Daily traffic
- 100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Steese Highway over Ptarmigan Creek is a steel stringer/multi-beam or girder carrying Steese Highway over Ptarmigan Creek in Yukon-Koyukuk Census Area, Alaska. It was built in 1971, so it is 54 years old, older 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 100 vehicles a day, roughly 13% of them trucks, projected to reach 140 by 2039. The structure is 116 ft (35.5 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Steese Highway over Ptarmigan Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Steese Highway over Ptarmigan 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 August 2024.
How much traffic does Steese Highway over Ptarmigan Creek carry?
About 100 vehicles per day (2020 count), of which roughly 13% are trucks.
How long is Steese Highway over Ptarmigan Creek?
The structure is 116 ft (35.5 m) long with a longest span of 110 ft (33.5 m) and a deck 29 ft wide.
Who owns Steese Highway over Ptarmigan Creek?
It is owned by the State Highway Agency.