Portage Glacier RD over Portage CR Overflow No 3
Fair Condition60 years old920 vehicles/day
Location
| State | Alaska |
| County | Anchorage |
| Location | Mile Point 4.1 |
| Carries | Portage Glacier RD |
| Crosses | Portage CR Overflow No 3 |
| Coordinates | 60.78790, -148.87850 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 83.0 ft (25.3 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 258.1 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 920 (2020) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0405 |