US Bridges

Pottstown Pike over Downingtown Intchg.Rm.Vw

Good

Chester County, Pennsylvania · RT.100 Tpk.Rp.Vw 21B4 · Structure no. 000000000010067

Built
1987
38 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
35,462
2024 count
Owner
State
State Highway Agency

About this bridge

Pottstown Pike over Downingtown Intchg.Rm.Vw is a steel stringer/multi-beam or girder carrying Pottstown Pike over Downingtown Intchg.Rm.Vw in Chester County, Pennsylvania. It was built in 1987, so it is 38 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 35,462 vehicles a day, roughly 7% of them trucks, projected to reach 34,851 by 2032. The structure is 73 ft (22.3 m) long and 87 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPottstown Pike
CrossesDowningtown Intchg.Rm.Vw
LocationRT.100 Tpk.Rp.Vw 21B4
RouteState Highway 100
CountyChester County
StatePennsylvania
Coordinates40.06422, -75.67119
Functional classUrban Other Principal Arterial

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.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length73 ft (22.3 m)
Longest span68 ft (20.7 m)
Deck width87 ft (26.4 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,462 (2024)
Projected traffic34,851 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$246,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pottstown Pike over Downingtown Intchg.Rm.Vw built?

It was built in 1987, making it 38 years old in 2025.

What condition is Pottstown Pike over Downingtown Intchg.Rm.Vw 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 July 2023.

How much traffic does Pottstown Pike over Downingtown Intchg.Rm.Vw carry?

About 35,462 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pottstown Pike over Downingtown Intchg.Rm.Vw?

The structure is 73 ft (22.3 m) long with a longest span of 68 ft (20.7 m) and a deck 87 ft wide.

Who owns Pottstown Pike over Downingtown Intchg.Rm.Vw?

It is owned by the State Highway Agency.