Seward Highway over Trail River
GoodKenai Peninsula Borough, Alaska · Mile Point 25.1 · Structure no. 0610
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 383 ft
- 3 main spans
- Daily traffic
- 1,700
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Seward Highway over Trail River is a prestressed concrete tee beam carrying Seward Highway over Trail River in Kenai Peninsula Borough, Alaska. It was built in 2013, so it is 12 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 1,700 vehicles a day, roughly 6% of them trucks, projected to reach 2,210 by 2039. The structure is 383 ft (116.7 m) long and 39 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Seward Highway over Trail River built?
It was built in 2013, making it 12 years old in 2025.
What condition is Seward Highway over Trail 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 August 2023.
How much traffic does Seward Highway over Trail River carry?
About 1,700 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is Seward Highway over Trail River?
The structure is 383 ft (116.7 m) long with a longest span of 123 ft (37.5 m) and a deck 39 ft wide.
Who owns Seward Highway over Trail River?
It is owned by the State Highway Agency.