US Bridges

Ramp F-De S.B. Off over Open Ground

Fair

Philadelphia County, Pennsylvania · Walt Whitman INTR.3700H05 · Structure no. 000000000039317

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
298 ft
4 main spans
Daily traffic
11,569
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp F-De S.B. Off over Open Ground is a steel continuous stringer/multi-beam or girder carrying Ramp F-De S.B. Off over Open Ground 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 11,569 vehicles a day, roughly 8% of them trucks, projected to reach 11,988 by 2032. The structure is 298 ft (90.8 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRamp F-De S.B. Off
CrossesOpen Ground
LocationWalt Whitman INTR.3700H05
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.91139, -75.15222
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length298 ft (90.8 m)
Longest span61 ft (18.6 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,569 (2024)
Projected traffic11,988 by 2032
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 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 F-De S.B. Off over Open Ground built?

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

What condition is Ramp F-De S.B. Off over Open Ground 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 May 2023.

How much traffic does Ramp F-De S.B. Off over Open Ground carry?

About 11,569 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ramp F-De S.B. Off over Open Ground?

The structure is 298 ft (90.8 m) long with a longest span of 61 ft (18.6 m) and a deck 36 ft wide.

Who owns Ramp F-De S.B. Off over Open Ground?

It is owned by the State Highway Agency.