US Bridges

Ramp 6 W.B.On over Open Ground

Fair

Philadelphia County, Pennsylvania · Spring Garden INT.3590A06 · Structure no. 000000000039351

Built
1956
69 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
423 ft
10 main spans
Daily traffic
7,825
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp 6 W.B.On over Open Ground is a steel stringer/multi-beam or girder carrying Ramp 6 W.B.On over Open Ground in Philadelphia County, Pennsylvania. It was built in 1956, so it is 69 years old, older 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 7,825 vehicles a day, roughly 7% of them trucks, projected to reach 7,309 by 2032. The structure is 423 ft (128.9 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRamp 6 W.B.On
CrossesOpen Ground
LocationSpring Garden INT.3590A06
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.96507, -75.18525
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 25 or greater
Structure length423 ft (128.9 m)
Longest span46 ft (14 m)
Deck width23 ft (6.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,825 (2024)
Projected traffic7,309 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed3.7 mi (6 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 6 W.B.On over Open Ground built?

It was built in 1956, making it 69 years old in 2025.

What condition is Ramp 6 W.B.On 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 February 2024.

How much traffic does Ramp 6 W.B.On over Open Ground carry?

About 7,825 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp 6 W.B.On over Open Ground?

The structure is 423 ft (128.9 m) long with a longest span of 46 ft (14 m) and a deck 23 ft wide.

Who owns Ramp 6 W.B.On over Open Ground?

It is owned by the State Highway Agency.