US Bridges

Pa Tpk (ramp Ab) over Pa Tpk (I-276)

Fair

Montgomery County, Pennsylvania · Fort Washington Interchg · Structure no. 000000000028186

Built
1983
42 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
199 ft
1 main span
Daily traffic
34,335
1993 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (ramp Ab) over Pa Tpk (I-276) is a steel stringer/multi-beam or girder carrying Pa Tpk (ramp Ab) 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 34,335 vehicles a day, roughly 6% of them trucks, projected to reach 53,385 by 2030. The structure is 199 ft (60.7 m) long and 64 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesPa Tpk (ramp Ab)
CrossesPa Tpk (I-276)
LocationFort Washington Interchg
CountyMontgomery County
StatePennsylvania
Coordinates40.13296, -75.19247
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating107 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length199 ft (60.7 m)
Longest span138 ft (42.1 m)
Deck width64 ft (19.4 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,335 (1993)
Projected traffic53,385 by 2030
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 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 (ramp Ab) over Pa Tpk (I-276) built?

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

What condition is Pa Tpk (ramp Ab) 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 May 2022.

How much traffic does Pa Tpk (ramp Ab) over Pa Tpk (I-276) carry?

About 34,335 vehicles per day (1993 count), of which roughly 6% are trucks.

How long is Pa Tpk (ramp Ab) over Pa Tpk (I-276)?

The structure is 199 ft (60.7 m) long with a longest span of 138 ft (42.1 m) and a deck 64 ft wide.

Who owns Pa Tpk (ramp Ab) over Pa Tpk (I-276)?

It is owned by the State Toll Authority.