US Bridges

Pa Tpk (I-276) over Pennypack Creek

Fair

Montgomery County, Pennsylvania · Willow Grove Interchange · Structure no. 000000000028192

Built
1954
71 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
97,693
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-276) over Pennypack Creek is a concrete culvert carrying Pa Tpk (I-276) over Pennypack Creek in Montgomery County, Pennsylvania. It was built in 1954, 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 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 97,693 vehicles a day, roughly 13% of them trucks, projected to reach 124,693 by 2030. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesPa Tpk (I-276)
CrossesPennypack Creek
LocationWillow Grove Interchange
RouteInterstate 276
Coordinates40.16307, -75.12002
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97,693 (2001)
Projected traffic124,693 by 2030
Trucks13%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-276) over Pennypack Creek built?

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

What condition is Pa Tpk (I-276) over Pennypack Creek 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 2024.

How much traffic does Pa Tpk (I-276) over Pennypack Creek carry?

About 97,693 vehicles per day (2001 count), of which roughly 13% are trucks.

How long is Pa Tpk (I-276) over Pennypack Creek?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m).

Who owns Pa Tpk (I-276) over Pennypack Creek?

It is owned by the State Toll Authority.