US Bridges

Pa Tpk (I-276) over SEPTA Rr.

Fair

Montgomery County, Pennsylvania · East of Willow Grove Intg · Structure no. 000000000028196

Built
1954
71 years old, rebuilt 1987
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
115 ft
3 main spans
Daily traffic
85,801
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-276) over SEPTA Rr. is a steel continuous stringer/multi-beam or girder carrying Pa Tpk (I-276) over SEPTA Rr. in Montgomery County, Pennsylvania. It was built in 1954 and reconstructed in 1987, so it is 71 years old, older 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 5 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 85,801 vehicles a day, roughly 14% of them trucks, projected to reach 80,400 by 2012. The structure is 115 ft (35.1 m) long and 112 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPa Tpk (I-276)
CrossesSEPTA Rr.
LocationEast of Willow Grove Intg
RouteInterstate 276
CountyMontgomery County
StatePennsylvania
Coordinates40.16317, -75.10624
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span39 ft (11.9 m)
Deck width112 ft (34 m)
Roadway width103 ft (31.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85,801 (2001)
Projected traffic80,400 by 2012
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-276) over SEPTA Rr. built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1987.

What condition is Pa Tpk (I-276) over SEPTA Rr. 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 2023.

How much traffic does Pa Tpk (I-276) over SEPTA Rr. carry?

About 85,801 vehicles per day (2001 count), of which roughly 14% are trucks.

How long is Pa Tpk (I-276) over SEPTA Rr.?

The structure is 115 ft (35.1 m) long with a longest span of 39 ft (11.9 m) and a deck 112 ft wide.

Who owns Pa Tpk (I-276) over SEPTA Rr.?

It is owned by the State Toll Authority.