US Bridges

Ramp a N.B.(on) over Lagoons

Fair

Philadelphia County, Pennsylvania · Enterprise Ave. 3699 F09 · Structure no. 000000000038709

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
539 ft
8 main spans
Daily traffic
2,543
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp a N.B.(on) over Lagoons is a steel continuous stringer/multi-beam or girder carrying Ramp a N.B.(on) over Lagoons 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 6 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 539 ft (164.3 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRamp a N.B.(on)
CrossesLagoons
LocationEnterprise Ave. 3699 F09
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.88629, -75.2152
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length539 ft (164.3 m)
Longest span67 ft (20.4 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,543 (2024)
Projected traffic3,053 by 2032
Trucks15%
Lanes on structure1
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp a N.B.(on) over Lagoons built?

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

What condition is Ramp a N.B.(on) over Lagoons 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 October 2024.

How much traffic does Ramp a N.B.(on) over Lagoons carry?

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

How long is Ramp a N.B.(on) over Lagoons?

The structure is 539 ft (164.3 m) long with a longest span of 67 ft (20.4 m) and a deck 35 ft wide.

Who owns Ramp a N.B.(on) over Lagoons?

It is owned by the State Highway Agency.