US Bridges

Ramp A(nb)to I-476 over Relocated Marple Road

Good

Delaware County, Pennsylvania · .5MI.E.STATE Road 34G02 · Structure no. 000000000015511

Built
1990
35 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
412 ft
3 main spans
Daily traffic
11,153
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp A(nb)to I-476 over Relocated Marple Road is a prestressed concrete continuous stringer/multi-beam or girder carrying Ramp A(nb)to I-476 over Relocated Marple Road in Delaware County, Pennsylvania. It was built in 1990, so it is 35 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,153 vehicles a day, roughly 7% of them trucks, projected to reach 11,575 by 2032. The structure is 412 ft (125.6 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesRamp A(nb)to I-476
CrossesRelocated Marple Road
Location.5MI.E.STATE Road 34G02
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.93921, -75.36154
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length412 ft (125.6 m)
Longest span142 ft (43.3 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,153 (2024)
Projected traffic11,575 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 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 A(nb)to I-476 over Relocated Marple Road built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ramp A(nb)to I-476 over Relocated Marple Road in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Ramp A(nb)to I-476 over Relocated Marple Road carry?

About 11,153 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp A(nb)to I-476 over Relocated Marple Road?

The structure is 412 ft (125.6 m) long with a longest span of 142 ft (43.3 m) and a deck 33 ft wide.

Who owns Ramp A(nb)to I-476 over Relocated Marple Road?

It is owned by the State Highway Agency.