US Bridges

Pottstown By-Pass over Schuylkill River

Good

Montgomery County, Pennsylvania · 2 Mi. E. PA100 3138K03 · Structure no. 000000000053230

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,225 ft
8 main spans
Daily traffic
59,904
2024 count
Owner
State
State Highway Agency

About this bridge

Pottstown By-Pass over Schuylkill River is a prestressed concrete continuous stringer/multi-beam or girder carrying Pottstown By-Pass over Schuylkill River in Montgomery County, Pennsylvania. It was built in 2016, so it is 9 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 59,904 vehicles a day, roughly 4% of them trucks, projected to reach 65,079 by 2032. The structure is 1,225 ft (373.4 m) long and 142 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPottstown By-Pass
CrossesSchuylkill River
Location2 Mi. E. PA100 3138K03
RouteU.S. Route 422
Coordinates40.23185, -75.62421
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length1,225 ft (373.4 m)
Longest span153 ft (46.6 m)
Deck width142 ft (43.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,904 (2024)
Projected traffic65,079 by 2032
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Pottstown By-Pass over Schuylkill River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Pottstown By-Pass over Schuylkill River 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 April 2023.

How much traffic does Pottstown By-Pass over Schuylkill River carry?

About 59,904 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Pottstown By-Pass over Schuylkill River?

The structure is 1,225 ft (373.4 m) long with a longest span of 153 ft (46.6 m) and a deck 142 ft wide.

Who owns Pottstown By-Pass over Schuylkill River?

It is owned by the State Highway Agency.