SR 4025 (lr 39059) over Lyon Creek
Fair Condition77 years old351 vehicles/day
Location
| State | Pennsylvania |
| County | Lehigh |
| Location | Kistler Road |
| Carries | SR 4025 (lr 39059) |
| Crosses | Lyon Creek |
| Coordinates | 40.64158, -75.66202 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 123.2 sq m |
| Main Spans | 1 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 351 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000023403 |