US Bridges

Pa Tpk (ramps A&b) over Pa Tpk (I-276)

Fair

Montgomery County, Pennsylvania · Willow Grove Interchange · Structure no. 000000000028193

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
3 main spans
Daily traffic
23,220
1995 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (ramps A&b) over Pa Tpk (I-276) is a steel stringer/multi-beam or girder carrying Pa Tpk (ramps A&b) over Pa Tpk (I-276) in Montgomery County, Pennsylvania. It was built in 1983, so it is 42 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 23,220 vehicles a day, roughly 6% of them trucks, projected to reach 31,173 by 2030. The structure is 212 ft (64.6 m) long and 64 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPa Tpk (ramps A&b)
CrossesPa Tpk (I-276)
LocationWillow Grove Interchange
RouteInterstate 276
CountyMontgomery County
StatePennsylvania
Coordinates40.16184, -75.11891
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 rating83 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span132 ft (40.2 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,220 (1995)
Projected traffic31,173 by 2030
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (ramps A&b) over Pa Tpk (I-276) built?

It was built in 1983, making it 42 years old in 2025.

What condition is Pa Tpk (ramps A&b) over Pa Tpk (I-276) 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 July 2024.

How much traffic does Pa Tpk (ramps A&b) over Pa Tpk (I-276) carry?

About 23,220 vehicles per day (1995 count), of which roughly 6% are trucks.

How long is Pa Tpk (ramps A&b) over Pa Tpk (I-276)?

The structure is 212 ft (64.6 m) long with a longest span of 132 ft (40.2 m) and a deck 64 ft wide.

Who owns Pa Tpk (ramps A&b) over Pa Tpk (I-276)?

It is owned by the State Toll Authority.