US Bridges

Pottstown Pike over Route 100

Fair

Chester County, Pennsylvania · N of Boot Road 31K1 · Structure no. 000000000010060

Built
1968
57 years old, rebuilt 2009
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
1 main span
Daily traffic
5,774
2024 count
Owner
State
State Highway Agency

About this bridge

Pottstown Pike over Route 100 is a steel stringer/multi-beam or girder carrying Pottstown Pike over Route 100 in Chester County, Pennsylvania. It was built in 1968 and reconstructed in 2009, so it is 57 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 5,774 vehicles a day, roughly 11% of them trucks, projected to reach 11,793 by 2032. The structure is 210 ft (64 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPottstown Pike
CrossesRoute 100
LocationN of Boot Road 31K1
RouteState Highway 100
Coordinates40.01152, -75.61562
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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length210 ft (64 m)
Longest span106 ft (32.3 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,774 (2024)
Projected traffic11,793 by 2032
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$321,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pottstown Pike over Route 100 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2009.

What condition is Pottstown Pike over Route 100 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 June 2024.

How much traffic does Pottstown Pike over Route 100 carry?

About 5,774 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Pottstown Pike over Route 100?

The structure is 210 ft (64 m) long with a longest span of 106 ft (32.3 m) and a deck 32 ft wide.

Who owns Pottstown Pike over Route 100?

It is owned by the State Highway Agency.