T-584 Geibel RD over Bonnie Brook
Poor Condition119 years old300 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | 0.08 Mi S Of SR 422 |
| Carries | T-584 Geibel RD |
| Crosses | Bonnie Brook |
| Coordinates | 40.86154, -79.81605 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 16.7 ft (5.1 m) |
| Deck Area | 54.6 sq m |
| Main Spans | 1 |
| Year Built | 1907 (reconstructed 1985) |
Traffic
| Avg Daily Traffic | 300 (2015) |
| Truck Traffic | 9% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008285 |