Mill Road (t540) over Valley Creek
Poor Condition159 years old1,831 vehicles/day
Location
| State | Pennsylvania |
| County | Chester |
| Location | Tredyffrin Twp. 24a04 |
| Carries | Mill Road (t540) |
| Crosses | Valley Creek |
| Coordinates | 40.07013, -75.47258 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Aluminum/Wrought Iron/Cast Iron |
| Design | Truss - Thru |
| Total Length | 37.1 ft (11.3 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 14.8 ft (4.5 m) |
| Deck Area | 50.9 sq m |
| Main Spans | 1 |
| Year Built | 1867 (reconstructed 1882) |
Traffic
| Avg Daily Traffic | 1,831 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000000010720 |