Bryn Mawr Avenue over Ithan Creek
Delaware County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Bryn Mawr Avenue over Ithan Creek in Delaware County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1964 and reconstructed in 2017, making it 61 years old at the 2025 inventory.
- It carries about 10,652 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 97 of the 389 inventoried bridges in Delaware County rated good (24.9%); 43 (11.1%) 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 August 2024, 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 → (40.00717, -75.35371)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 28 ft |
| Location | 1MI.EAST Pa-320 25h02 |
| NBI structure number | 000000000015199 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Delaware County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 95 over Ridley Creek & Sun Drive | 1965 | 218,717 | Fair |
| Interstate 95 over Bullens Lane (turnback) | 1975 | 218,717 | Fair |
| Interstate 95 over Darby Creek | 1975 | 161,622 | Fair |
| Interstate 95 over Ramp E &ramp F to Barry | 1977 | 135,104 | Fair |
| Interstate 95 over Septa (not Active) | 1964 | 135,104 | Fair |
| Interstate 95 over Kerlin Street | 1964 | 135,104 | Fair |
All bridges nearby: Delaware County, PA bridge conditions · every bridge in Delaware County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.