SR 1020 over Over Alder Run
Good Condition93 years old128 vehicles/day
Location
| State | Pennsylvania |
| County | Tioga |
| Location | 1.25 Mi N Of Trowbridge |
| Carries | SR 1020 |
| Crosses | Over Alder Run |
| Coordinates | 41.97586, -76.98446 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 89.9 sq m |
| Main Spans | 1 |
| Year Built | 1933 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 128 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000032985 |