US Bridges

Interstate 95 N.B. over Sludge Lagoons & Ramp B

Fair

Philadelphia County, Pennsylvania · N.Platt Bridge 3699F09 · Structure no. 000000000038518

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,677 ft
25 main spans
Daily traffic
82,076
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 95 N.B. over Sludge Lagoons & Ramp B is a prestressed concrete continuous stringer/multi-beam or girder carrying Interstate 95 N.B. over Sludge Lagoons & Ramp B in Philadelphia County, Pennsylvania. It was built in 1985, so it is 40 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 82,076 vehicles a day, roughly 9% of them trucks, projected to reach 61,251 by 2032. The structure is 2,677 ft (815.9 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 95 N.B.
CrossesSludge Lagoons & Ramp B
LocationN.Platt Bridge 3699F09
RouteInterstate 95
Coordinates39.89061, -75.22152
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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
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 rating70 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans25 (+4 approach)
Design loadHS 20
Structure length2,677 ft (815.9 m)
Longest span95 ft (29 m)
Deck width77 ft (23.6 m)
Roadway width73 ft (22.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,076 (2024)
Projected traffic61,251 by 2032
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 95 N.B. over Sludge Lagoons & Ramp B built?

It was built in 1985, making it 40 years old in 2025.

What condition is Interstate 95 N.B. over Sludge Lagoons & Ramp B 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 Interstate 95 N.B. over Sludge Lagoons & Ramp B carry?

About 82,076 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Interstate 95 N.B. over Sludge Lagoons & Ramp B?

The structure is 2,677 ft (815.9 m) long with a longest span of 95 ft (29 m) and a deck 77 ft wide.

Who owns Interstate 95 N.B. over Sludge Lagoons & Ramp B?

It is owned by the State Highway Agency.