Market Street over Schuylkill Expwy.&amtrak
Philadelphia County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Market Street over Schuylkill Expwy.&amtrak in Philadelphia County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1932 and reconstructed in 1950, making it 93 years old at the 2025 inventory.
- It carries about 15,348 vehicles a day (traffic count year 2024).
- It is one of 369 of the 587 inventoried bridges in Philadelphia County rated fair (62.9%); 74 (12.6%) 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 June 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (39.9547, -75.18212)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 744 ft |
| Location | 30TH Street Sta. 3590a08 |
| NBI structure number | 000000000038958 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Philadelphia County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 95 over Orthodox-pearce Street | 1966 | 280,088 | Fair |
| Interstate 95 over Margaret Str.and Conrail | 1966 | 280,088 | Fair |
| Interstate 95 over Tacony St.and Bridge St. | 1967 | 280,088 | Poor |
| Interstate 95 over Fraley Street | 1967 | 280,088 | Poor |
| Interstate 95 over Levick Street | 1964 | 280,088 | Fair |
| I-95; Ramp F & B over New State Road | 2016 | 280,088 | Good |
All bridges nearby: Philadelphia County, PA bridge conditions · every bridge in Philadelphia County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.