US Bridges

Pa Tpk (I-76) over I-76 Ramps Ab

Good

Montgomery County, Pennsylvania · Valley Forge Interchange · Structure no. 000000000028004

Built
2008
17 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
65,138
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over I-76 Ramps Ab is a steel stringer/multi-beam or girder carrying Pa Tpk (I-76) over I-76 Ramps Ab in Montgomery County, Pennsylvania. It was built in 2008, so it is 17 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 65,138 vehicles a day, roughly 12% of them trucks, projected to reach 98,418 by 2030. The structure is 129 ft (39.3 m) long and 139 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPa Tpk (I-76)
CrossesI-76 Ramps Ab
LocationValley Forge Interchange
RouteInterstate 76
Coordinates40.0917, -75.41
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 inspectionJuly 2022
Inspection intervalevery 48 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 rating88 US tons
Inventory rating68 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span126 ft (38.4 m)
Deck width139 ft (42.5 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,138 (2004)
Projected traffic98,418 by 2030
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over I-76 Ramps Ab built?

It was built in 2008, making it 17 years old in 2025.

What condition is Pa Tpk (I-76) over I-76 Ramps Ab 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 July 2022.

How much traffic does Pa Tpk (I-76) over I-76 Ramps Ab carry?

About 65,138 vehicles per day (2004 count), of which roughly 12% are trucks.

How long is Pa Tpk (I-76) over I-76 Ramps Ab?

The structure is 129 ft (39.3 m) long with a longest span of 126 ft (38.4 m) and a deck 139 ft wide.

Who owns Pa Tpk (I-76) over I-76 Ramps Ab?

It is owned by the State Toll Authority.