Old Route 422 RT over Slippery Rock Creek
Poor Condition106 years old
Location
| State | Pennsylvania |
| County | Lawrence |
| Location | 250 W Of Muddy Creek RD |
| Carries | Old Route 422 RT |
| Crosses | Slippery Rock Creek |
| Coordinates | 40.97157, -80.18190 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 0 (Failed) |
| Superstructure | 3 (Serious) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 190.0 ft (57.9 m) |
| Max Span | 185.0 ft (56.4 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 440.0 sq m |
| Main Spans | 1 |
| Year Built | 1920 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000022563 |