US Bridges

Pottstown Pike over W. Chester Bypass (322)

Fair

Chester County, Pennsylvania · Near West Chester 31K8 · Structure no. 000000000010058

Built
1955
70 years old, rebuilt 2010
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
14,887
2024 count
Owner
State
State Highway Agency

About this bridge

Pottstown Pike over W. Chester Bypass (322) is a steel stringer/multi-beam or girder carrying Pottstown Pike over W. Chester Bypass (322) in Chester County, Pennsylvania. It was built in 1955 and reconstructed in 2010, so it is 70 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 5 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 14,887 vehicles a day, roughly 6% of them trucks, projected to reach 23,437 by 2032. The structure is 77 ft (23.5 m) long and 82 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPottstown Pike
CrossesW. Chester Bypass (322)
LocationNear West Chester 31K8
RouteState Highway 100
Coordinates39.9732, -75.61458
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span74 ft (22.6 m)
Deck width82 ft (25 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,887 (2024)
Projected traffic23,437 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$719,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pottstown Pike over W. Chester Bypass (322) built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2010.

What condition is Pottstown Pike over W. Chester Bypass (322) 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 October 2022.

How much traffic does Pottstown Pike over W. Chester Bypass (322) carry?

About 14,887 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pottstown Pike over W. Chester Bypass (322)?

The structure is 77 ft (23.5 m) long with a longest span of 74 ft (22.6 m) and a deck 82 ft wide.

Who owns Pottstown Pike over W. Chester Bypass (322)?

It is owned by the State Highway Agency.