US Bridges

Pottstown By-Pass over N-S RR (m.P. 38.29)

Good

Montgomery County, Pennsylvania · L Pottsgrove 3139C02 · Structure no. 000000000056751

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
222 ft
3 main spans
Daily traffic
59,904
2024 count
Owner
State
State Highway Agency

About this bridge

Pottstown By-Pass over N-S RR (m.P. 38.29) is a prestressed concrete continuous stringer/multi-beam or girder carrying Pottstown By-Pass over N-S RR (m.P. 38.29) 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 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 222 ft (67.7 m) long and 95 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPottstown By-Pass
CrossesN-S RR (m.P. 38.29)
LocationL Pottsgrove 3139C02
RouteU.S. Route 422
Coordinates40.23791, -75.61179
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length222 ft (67.7 m)
Longest span112 ft (34.1 m)
Deck width95 ft (29 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,904 (2024)
Projected traffic65,079 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pottstown By-Pass over N-S RR (m.P. 38.29) built?

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

What condition is Pottstown By-Pass over N-S RR (m.P. 38.29) 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 By-Pass over N-S RR (m.P. 38.29) carry?

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

How long is Pottstown By-Pass over N-S RR (m.P. 38.29)?

The structure is 222 ft (67.7 m) long with a longest span of 112 ft (34.1 m) and a deck 95 ft wide.

Who owns Pottstown By-Pass over N-S RR (m.P. 38.29)?

It is owned by the State Highway Agency.