RTE 20 over Big Sister Creek
Poor Condition97 years old6,893 vehicles/day
Location
| State | New York |
| County | Erie |
| Location | 0.8 Mi NE Jct Rts 20 +323 |
| Carries | RTE 20 |
| Crosses | Big Sister Creek |
| Coordinates | 42.62919, -79.00834 |
Condition Ratings
| Overall Condition | Poor |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 92.8 ft (28.3 m) |
| Max Span | 84.0 ft (25.6 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 407.5 sq m |
| Main Spans | 1 |
| Year Built | 1929 (reconstructed 1978) |
Traffic
| Avg Daily Traffic | 6,893 (2021) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000001015440 |