US Bridges

Pottstown Bypass over Norfolk Southern

Good

Montgomery County, Pennsylvania · L Pottsgrove 3139B03 · Structure no. 000000000056750

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
97 ft
1 main span
Daily traffic
59,904
2024 count
Owner
State
State Highway Agency

About this bridge

Pottstown Bypass over Norfolk Southern is a steel stringer/multi-beam or girder carrying Pottstown Bypass over Norfolk Southern in Montgomery County, Pennsylvania. It was built in 2019, so it is 6 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 59,904 vehicles a day, roughly 4% of them trucks, projected to reach 65,079 by 2032. The structure is 97 ft (29.6 m) long and 153 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPottstown Bypass
CrossesNorfolk Southern
LocationL Pottsgrove 3139B03
RouteU.S. Route 422
Coordinates40.23496, -75.61503
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length97 ft (29.6 m)
Longest span95 ft (29 m)
Deck width153 ft (46.6 m)
Roadway width69 ft (21 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
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pottstown Bypass over Norfolk Southern built?

It was built in 2019, making it 6 years old in 2025.

What condition is Pottstown Bypass over Norfolk Southern 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 May 2023.

How much traffic does Pottstown Bypass over Norfolk Southern carry?

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

How long is Pottstown Bypass over Norfolk Southern?

The structure is 97 ft (29.6 m) long with a longest span of 95 ft (29 m) and a deck 153 ft wide.

Who owns Pottstown Bypass over Norfolk Southern?

It is owned by the State Highway Agency.