Wissahickon Drive over Branch Wissahickon Crk
Philadelphia County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Wissahickon Drive over Branch Wissahickon Crk in Philadelphia County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 1982).
- Its listed owner is a city or municipal highway agency.
- It is one of 144 of the 587 inventoried bridges in Philadelphia County rated good (24.5%); 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 October 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 → (40.0577, -75.2196)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | S of Wises Mill Rd 16H06 |
| NBI structure number | 000000000039203 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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.