T-603 Saint Joe RD over Bonnie Brook
Poor Condition111 years old100 vehicles/day
Location
| State | Pennsylvania |
| County | Butler |
| Location | 1/2 Mi From Int W/t621 |
| Carries | T-603 Saint Joe RD |
| Crosses | Bonnie Brook |
| Coordinates | 40.90581, -79.79035 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 3 (Serious) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Concrete |
| Design | Other |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 17.1 ft (5.2 m) |
| Deck Area | 44.2 sq m |
| Main Spans | 1 |
| Year Built | 1915 |
Traffic
| Avg Daily Traffic | 100 (2016) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008270 |