Old Glenn Palmer over Knik River
Fair Condition51 years old1,380 vehicles/day
Location
| State | Alaska |
| County | Matanuska-Susitna |
| Location | Mile Point 8.7 |
| Carries | Old Glenn Palmer |
| Crosses | Knik River |
| Coordinates | 61.50392, -149.03304 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Box Beam - Multiple |
| Total Length | 505.6 ft (154.1 m) |
| Max Span | 190.0 ft (57.9 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 1356.1 sq m |
| Main Spans | 3 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 1,380 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0539 |