Ramp B Northbound over Proposed Subway Tunnel
FairPhiladelphia County, Pennsylvania · Broad STR.INTERCH.3700B07 · Structure no. 000000000039308
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 82 ft
- 1 main span
- Daily traffic
- 9,283
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Ramp B Northbound over Proposed Subway Tunnel is a prestressed concrete box beam or girders - multiple carrying Ramp B Northbound over Proposed Subway Tunnel in Philadelphia County, Pennsylvania. It was built in 1975, so it is 50 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 9,283 vehicles a day, roughly 5% of them trucks, projected to reach 9,167 by 2032. The structure is 82 ft (25 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ramp B Northbound over Proposed Subway Tunnel built?
It was built in 1975, making it 50 years old in 2025.
What condition is Ramp B Northbound over Proposed Subway Tunnel in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does Ramp B Northbound over Proposed Subway Tunnel carry?
About 9,283 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Ramp B Northbound over Proposed Subway Tunnel?
The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.
Who owns Ramp B Northbound over Proposed Subway Tunnel?
It is owned by the State Highway Agency.