T-557 Ohara Road over Thorn Creek
Fair Condition106 years old100 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | 190 Ft NW Of SR 2007 |
| Carries | T-557 Ohara Road |
| Crosses | Thorn Creek |
| Coordinates | 40.75059, -79.84143 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 17.7 ft (5.4 m) |
| Deck Area | 65.9 sq m |
| Main Spans | 1 |
| Year Built | 1920 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 100 (2017) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000008240 |