US Bridges

Ramp M 76W to 476S over I-76(EB) & Ramps K & R

Fair

Montgomery County, Pennsylvania · Conshohocken INTER.35C05 · Structure no. 000000000028281

Built
1976
49 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
357 ft
3 main spans
Daily traffic
3,646
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp M 76W to 476S over I-76(EB) & Ramps K & R is a steel continuous stringer/multi-beam or girder carrying Ramp M 76W to 476S over I-76(EB) & Ramps K & R in Montgomery County, Pennsylvania. It was built in 1976, so it is 49 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 6 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 3,646 vehicles a day, roughly 7% of them trucks, projected to reach 4,381 by 2032. The structure is 357 ft (108.8 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRamp M 76W to 476S
CrossesI-76(EB) & Ramps K & R
LocationConshohocken INTER.35C05
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.06468, -75.32233
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length357 ft (108.8 m)
Longest span131 ft (39.9 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,646 (2024)
Projected traffic4,381 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 M 76W to 476S over I-76(EB) & Ramps K & R built?

It was built in 1976, making it 49 years old in 2025.

What condition is Ramp M 76W to 476S over I-76(EB) & Ramps K & R 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 January 2023.

How much traffic does Ramp M 76W to 476S over I-76(EB) & Ramps K & R carry?

About 3,646 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp M 76W to 476S over I-76(EB) & Ramps K & R?

The structure is 357 ft (108.8 m) long with a longest span of 131 ft (39.9 m) and a deck 34 ft wide.

Who owns Ramp M 76W to 476S over I-76(EB) & Ramps K & R?

It is owned by the State Highway Agency.