Glenn Highway over Knik Riv. Overflow S.b.
Fair Condition33 years old13,300 vehicles/day
Location
| State | Alaska |
| County | Matanuska-Susitna |
| Location | Mile Point 29.6 |
| Carries | Glenn Highway |
| Crosses | Knik Riv. Overflow S.b. |
| Coordinates | 61.49480, -149.24460 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 250.0 ft (76.2 m) |
| Max Span | 123.0 ft (37.5 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 937.3 sq m |
| Main Spans | 2 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 13,300 (2020) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1887 |