US Bridges

Ramp C Off over Open Ground

Fair

Philadelphia County, Pennsylvania · SCHUYLKILL/I-676 3590B07 · Structure no. 000000000039436

Built
1955
70 years old, rebuilt 1987
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
104 ft
2 main spans
Daily traffic
7,298
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp C Off over Open Ground is a steel stringer/multi-beam or girder carrying Ramp C Off over Open Ground in Philadelphia County, Pennsylvania. It was built in 1955 and reconstructed in 1987, so it is 70 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 7,298 vehicles a day, roughly 7% of them trucks, projected to reach 7,789 by 2032. The structure is 104 ft (31.7 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRamp C Off
CrossesOpen Ground
LocationSCHUYLKILL/I-676 3590B07
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.95987, -75.17902
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 inspectionApril 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 alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length104 ft (31.7 m)
Longest span56 ft (17.1 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,298 (2024)
Projected traffic7,789 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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 C Off over Open Ground built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1987.

What condition is Ramp C 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 April 2023.

How much traffic does Ramp C Off over Open Ground carry?

About 7,298 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp C Off over Open Ground?

The structure is 104 ft (31.7 m) long with a longest span of 56 ft (17.1 m) and a deck 35 ft wide.

Who owns Ramp C Off over Open Ground?

It is owned by the State Highway Agency.