T-473 Ray Road over N Br Slippery Rock CR
Fair Condition86 years old50 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | 500 Ft From Int W/t-476 |
| Carries | T-473 Ray Road |
| Crosses | N Br Slippery Rock CR |
| Coordinates | 41.15236, -79.96266 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 36.1 ft (11 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 47.3 sq m |
| Main Spans | 1 |
| Year Built | 1940 (reconstructed 1983) |
Traffic
| Avg Daily Traffic | 50 (2017) |
| Truck Traffic | 9% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008256 |