Seward Highway over Portage Creek No 1
Good Condition3 years old5,080 vehicles/day
Location
| State | Alaska |
| County | Anchorage |
| Location | Mile Point 78.1 |
| Carries | Seward Highway |
| Crosses | Portage Creek No 1 |
| Coordinates | 60.82096, -148.97690 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 291.0 ft (88.7 m) |
| Max Span | 93.5 ft (28.5 m) |
| Deck Width | 82.0 ft (25 m) |
| Deck Area | 2217.5 sq m |
| Main Spans | 3 |
| Year Built | 2023 |
Traffic
| Avg Daily Traffic | 5,080 (2020) |
| Truck Traffic | 14% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0630 |