Seward Highway over Peterson Creek
GoodAnchorage Municipality, Alaska · Mile Point 83.4 · Structure no. 0636
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 141 ft
- 1 main span
- Daily traffic
- 4,276
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Seward Highway over Peterson Creek is a prestressed concrete tee beam carrying Seward Highway over Peterson Creek in Anchorage Municipality, Alaska. It was built in 2019, so it is 6 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 4,276 vehicles a day, roughly 15% of them trucks, projected to reach 6,665 by 2038. The structure is 141 ft (43 m) long and 44 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Peterson Creek built?
It was built in 2019, making it 6 years old in 2025.
What condition is Seward Highway over Peterson 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 June 2023.
How much traffic does Seward Highway over Peterson Creek carry?
About 4,276 vehicles per day (2018 count), of which roughly 15% are trucks.
How long is Seward Highway over Peterson Creek?
The structure is 141 ft (43 m) long with a longest span of 137 ft (41.8 m) and a deck 44 ft wide.
Who owns Seward Highway over Peterson Creek?
It is owned by the State Highway Agency.