US Bridges

Pa Tpk (I-476) over Skippack Creek

Good

Montgomery County, Pennsylvania · N. of Lansdale Int. · Structure no. 000000000053586

Built
2014
11 years old, rebuilt 2016
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
164 ft
1 main span
Daily traffic
50,307
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476) over Skippack Creek is a steel stringer/multi-beam or girder carrying Pa Tpk (I-476) over Skippack Creek in Montgomery County, Pennsylvania. It was built in 2014 and reconstructed in 2016, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50,307 vehicles a day, roughly 15% of them trucks, projected to reach 78,780 by 2030. The structure is 164 ft (50 m) long and 125 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPa Tpk (I-476)
CrossesSkippack Creek
LocationN. of Lansdale Int.
RouteInterstate 476
CountyMontgomery County
StatePennsylvania
Coordinates40.26333, -75.35333
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length164 ft (50 m)
Longest span158 ft (48.2 m)
Deck width125 ft (38.1 m)
Roadway width118 ft (36 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,307 (2004)
Projected traffic78,780 by 2030
Trucks15%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-476) over Skippack Creek built?

It was built in 2014, making it 11 years old in 2025. It was reconstructed in 2016.

What condition is Pa Tpk (I-476) over Skippack Creek 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 September 2022.

How much traffic does Pa Tpk (I-476) over Skippack Creek carry?

About 50,307 vehicles per day (2004 count), of which roughly 15% are trucks.

How long is Pa Tpk (I-476) over Skippack Creek?

The structure is 164 ft (50 m) long with a longest span of 158 ft (48.2 m) and a deck 125 ft wide.

Who owns Pa Tpk (I-476) over Skippack Creek?

It is owned by the State Toll Authority.