T-523 over Pa TPK I-76
Chester County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-523 over Pa TPK I-76 in Chester County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2022, making it 3 years old at the 2025 inventory.
- It carries about 947 vehicles a day (traffic count year 2000).
- It is one of 175 of the 682 inventoried bridges in Chester County rated good (25.7%); 90 (13.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.07514, -75.69653)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 184 ft |
| Location | W. of Downingtown Int. |
| NBI structure number | 000000000069644 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
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.