SR 664-pa 664 over W Br Susquehanna River
Good Condition40 years old2,645 vehicles/day
Location
| State | Pennsylvania |
| County | Clinton |
| Location | City Of Lock Haven |
| Carries | SR 664-pa 664 |
| Crosses | W Br Susquehanna River |
| Coordinates | 41.13927, -77.44178 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 821.9 ft (250.5 m) |
| Max Span | 204.1 ft (62.2 m) |
| Deck Width | 37.4 ft (11.4 m) |
| Deck Area | 2855.7 sq m |
| Main Spans | 4 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 2,645 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000012257 |