Ramp F over I-279 NB Ramp D Allgy Ri
FairAllegheny County, Pennsylvania · Fort Duquesne Bridge · Structure no. 000000000001027
- Built
- 1968
- 57 years old, rebuilt 2009
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 351 ft
- 3 main spans
- Daily traffic
- 20,246
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Ramp F over I-279 NB Ramp D Allgy Ri is a steel stringer/multi-beam or girder carrying Ramp F over I-279 NB Ramp D Allgy Ri in Allegheny County, Pennsylvania. It was built in 1968 and reconstructed in 2009, so it is 57 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 20,246 vehicles a day, roughly 8% of them trucks, projected to reach 19,685 by 2032. The structure is 351 ft (107 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ramp F over I-279 NB Ramp D Allgy Ri built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2009.
What condition is Ramp F over I-279 NB Ramp D Allgy Ri 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 2024.
How much traffic does Ramp F over I-279 NB Ramp D Allgy Ri carry?
About 20,246 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is Ramp F over I-279 NB Ramp D Allgy Ri?
The structure is 351 ft (107 m) long with a longest span of 122 ft (37.2 m) and a deck 29 ft wide.
Who owns Ramp F over I-279 NB Ramp D Allgy Ri?
It is owned by the State Highway Agency.