Ramp D S.B. Off over Future Subway Extension
FairPhiladelphia County, Pennsylvania · Broad St.Interch. 3700C07 · Structure no. 000000000038719
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 84 ft
- 1 main span
- Daily traffic
- 8,061
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Ramp D S.B. Off over Future Subway Extension is a prestressed concrete box beam or girders - multiple carrying Ramp D S.B. Off over Future Subway Extension in Philadelphia County, Pennsylvania. It was built in 1969, so it is 56 years old, older 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 8,061 vehicles a day, roughly 5% of them trucks, projected to reach 7,752 by 2032. The structure is 84 ft (25.6 m) long and 36 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ramp D S.B. Off over Future Subway Extension built?
It was built in 1969, making it 56 years old in 2025.
What condition is Ramp D S.B. Off over Future Subway Extension 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 March 2023.
How much traffic does Ramp D S.B. Off over Future Subway Extension carry?
About 8,061 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Ramp D S.B. Off over Future Subway Extension?
The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 36 ft wide.
Who owns Ramp D S.B. Off over Future Subway Extension?
It is owned by the State Highway Agency.