US Bridges

Ramp Q over Ramps A&b (f&g)

Fair

Allegheny County, Pennsylvania · Fort Pitt Bridge · Structure no. 000000000002817

Built
1959
66 years old, rebuilt 1996
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
317 ft
3 main spans
Daily traffic
2,880
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp Q over Ramps A&b (f&g) is a steel continuous stringer/multi-beam or girder carrying Ramp Q over Ramps A&b (f&g) in Allegheny County, Pennsylvania. It was built in 1959 and reconstructed in 1996, so it is 66 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 2,880 vehicles a day, roughly 7% of them trucks, projected to reach 10,839 by 2044. The structure is 317 ft (96.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRamp Q
CrossesRamps A&b (f&g)
LocationFort Pitt Bridge
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.44039, -80.00853
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length317 ft (96.6 m)
Longest span89 ft (27.1 m)
Deck width31 ft (9.3 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic2,880 (2024)
Projected traffic10,839 by 2044
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp Q over Ramps A&b (f&g) built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1996.

What condition is Ramp Q over Ramps A&b (f&g) 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 Q over Ramps A&b (f&g) carry?

About 2,880 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp Q over Ramps A&b (f&g)?

The structure is 317 ft (96.6 m) long with a longest span of 89 ft (27.1 m) and a deck 31 ft wide.

Who owns Ramp Q over Ramps A&b (f&g)?

It is owned by the State Highway Agency.