US Bridges

Ramp A-Off over Castor Ave.& Ramp C

Fair

Philadelphia County, Pennsylvania · Betsy Ross INTERCH3591F03 · Structure no. 000000000039374

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
745 ft
8 main spans
Daily traffic
14,950
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp A-Off over Castor Ave.& Ramp C is a prestressed concrete stringer/multi-beam or girder carrying Ramp A-Off over Castor Ave.& Ramp C in Philadelphia County, Pennsylvania. It was built in 1974, so it is 51 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 14,950 vehicles a day, roughly 8% of them trucks, projected to reach 18,098 by 2032. The structure is 745 ft (227.1 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRamp A-Off
CrossesCastor Ave.& Ramp C
LocationBetsy Ross INTERCH3591F03
RouteState Highway 0
Coordinates39.98556, -75.09361
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length745 ft (227.1 m)
Longest span97 ft (29.6 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,950 (2024)
Projected traffic18,098 by 2032
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$999,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp A-Off over Castor Ave.& Ramp C built?

It was built in 1974, making it 51 years old in 2025.

What condition is Ramp A-Off over Castor Ave.& Ramp C 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 August 2023.

How much traffic does Ramp A-Off over Castor Ave.& Ramp C carry?

About 14,950 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ramp A-Off over Castor Ave.& Ramp C?

The structure is 745 ft (227.1 m) long with a longest span of 97 ft (29.6 m) and a deck 44 ft wide.

Who owns Ramp A-Off over Castor Ave.& Ramp C?

It is owned by the State Highway Agency.