Styer Road over Marsh Creek
Chester County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Styer Road over Marsh Creek in Chester County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1905, making it 120 years old at the 2025 inventory.
- It carries about 1,399 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 417 of the 682 inventoried bridges in Chester County rated fair (61.1%); 90 (13.2%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.08892, -75.72985)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Masonry deck arch |
| Length | about 47 ft |
| Location | Upper Uwchlan Twp. 12c13 |
| NBI structure number | 000000000010698 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Chester County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| West Chester Bypas over West Chester Pike | 1954 | 150,692 | Fair |
| West Chesterbypass over Paoli Pike (old US 202) | 1954 | 150,692 | Fair |
| US 202 over Valley Forge Road | 1967 | 119,755 | Fair |
| US 202 over West Valley Road | 1967 | 119,755 | Fair |
| US 202 over Ramps Q & R at 422 | 1966 | 95,416 | Fair |
| U.S. 202 over Chester Valley Trail | 2016 | 95,104 | Good |
All bridges nearby: Chester County, PA bridge conditions · every bridge in Chester County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.