US Bridges

Ramp a N.B. (on) over Pile Supported Slab Fill

Fair

Philadelphia County, Pennsylvania · Enterprise Ave. 3699F09 · Structure no. 000000000038708

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
429 ft
28 main spans
Daily traffic
2,543
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp a N.B. (on) over Pile Supported Slab Fill is a concrete continuous slab carrying Ramp a N.B. (on) over Pile Supported Slab Fill in Philadelphia County, Pennsylvania. It was built in 1971, so it is 54 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 2,543 vehicles a day, roughly 15% of them trucks, projected to reach 3,053 by 2032. The structure is 429 ft (130.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRamp a N.B. (on)
CrossesPile Supported Slab Fill
LocationEnterprise Ave. 3699F09
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.88622, -75.21506
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans28
Design loadHS 20 + Mod
Structure length429 ft (130.8 m)
Longest span17 ft (5.2 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,543 (2024)
Projected traffic3,053 by 2032
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp a N.B. (on) over Pile Supported Slab Fill built?

It was built in 1971, making it 54 years old in 2025.

What condition is Ramp a N.B. (on) over Pile Supported Slab Fill 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 a N.B. (on) over Pile Supported Slab Fill carry?

About 2,543 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Ramp a N.B. (on) over Pile Supported Slab Fill?

The structure is 429 ft (130.8 m) long with a longest span of 17 ft (5.2 m) and a deck 28 ft wide.

Who owns Ramp a N.B. (on) over Pile Supported Slab Fill?

It is owned by the State Highway Agency.