Old Glenn Palmer over Matanuska River
GoodMatanuska-Susitna Borough, Alaska · Mile Point 16.8 · Structure no. 1951
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 456 ft
- 2 main spans
- Daily traffic
- 8,140
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Old Glenn Palmer over Matanuska River is a steel continuous stringer/multi-beam or girder carrying Old Glenn Palmer over Matanuska River in Matanuska-Susitna Borough, Alaska. It was built in 1997, so it is 28 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 8,140 vehicles a day, roughly 8% of them trucks, projected to reach 9,740 by 2039. The structure is 456 ft (139 m) long and 43 ft wide. If it were closed, the detour would be 32.9 mi (53 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Glenn Palmer over Matanuska River built?
It was built in 1997, making it 28 years old in 2025.
What condition is Old Glenn Palmer over Matanuska River 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 June 2024.
How much traffic does Old Glenn Palmer over Matanuska River carry?
About 8,140 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Old Glenn Palmer over Matanuska River?
The structure is 456 ft (139 m) long with a longest span of 225 ft (68.6 m) and a deck 43 ft wide.
Who owns Old Glenn Palmer over Matanuska River?
It is owned by the State Highway Agency.