US Bridges

Ramp R(76E to 476N over Ramp S

Fair

Montgomery County, Pennsylvania · Conshohocken INTER.35D04 · Structure no. 000000000028277

Built
1975
50 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
159 ft
2 main spans
Daily traffic
6,427
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp R(76E to 476N over Ramp S is a steel stringer/multi-beam or girder carrying Ramp R(76E to 476N over Ramp S in Montgomery County, Pennsylvania. It was built in 1975, so it is 50 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 6,427 vehicles a day, roughly 7% of them trucks, projected to reach 6,829 by 2032. The structure is 159 ft (48.5 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRamp R(76E to 476N
CrossesRamp S
LocationConshohocken INTER.35D04
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.06611, -75.31806
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
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 rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20 + Mod
Structure length159 ft (48.5 m)
Longest span62 ft (18.9 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,427 (2024)
Projected traffic6,829 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 R(76E to 476N over Ramp S built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ramp R(76E to 476N over Ramp S 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 December 2022.

How much traffic does Ramp R(76E to 476N over Ramp S carry?

About 6,427 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp R(76E to 476N over Ramp S?

The structure is 159 ft (48.5 m) long with a longest span of 62 ft (18.9 m) and a deck 34 ft wide.

Who owns Ramp R(76E to 476N over Ramp S?

It is owned by the State Highway Agency.