Porcupine Road over Glacier Creek
GoodHaines Borough, Alaska · Mile Point 10.8 · Structure no. 1637
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 60 ft
- 1 main span
- Daily traffic
- 10
- 2018 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Porcupine Road over Glacier Creek is a steel stringer/multi-beam or girder carrying Porcupine Road over Glacier Creek in Haines Borough, Alaska. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 10 vehicles a day, roughly 1% of them trucks, projected to reach 12 by 2035. The structure is 60 ft (18.3 m) long and 14 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Porcupine Road over Glacier Creek built?
It was built in 2023, making it 2 years old in 2025.
What condition is Porcupine Road over Glacier 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 May 2024.
How much traffic does Porcupine Road over Glacier Creek carry?
About 10 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Porcupine Road over Glacier Creek?
The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 14 ft wide.
Who owns Porcupine Road over Glacier Creek?
It is owned by the State Park, Forest, or Reservation Agency.