US Bridges

West Chester Pike over Cobbs Cr;septa/ 3589-A6

Fair

Delaware County, Pennsylvania · 63rd Market Str. 27D10 · Structure no. 000000000014823

Built
1900
125 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Masonry
Length
56 ft
2 main spans
Daily traffic
24,154
2024 count
Owner
State
State Highway Agency

About this bridge

West Chester Pike over Cobbs Cr;septa/ 3589-A6 is a masonry arch - deck carrying West Chester Pike over Cobbs Cr;septa/ 3589-A6 in Delaware County, Pennsylvania. It was built in 1900, so it is 125 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 24,154 vehicles a day, roughly 1% of them trucks, projected to reach 20,253 by 2032. The structure is 56 ft (17.1 m) long and 75 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWest Chester Pike
CrossesCobbs Cr;septa/ 3589-A6
Location63rd Market Str. 27D10
RouteState Highway 3
Coordinates39.96267, -75.24721
Functional classUrban Other Principal 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadH 20
Structure length56 ft (17.1 m)
Longest span40 ft (12.2 m)
Deck width75 ft (22.8 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic24,154 (2024)
Projected traffic20,253 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was West Chester Pike over Cobbs Cr;septa/ 3589-A6 built?

It was built in 1900, making it 125 years old in 2025.

What condition is West Chester Pike over Cobbs Cr;septa/ 3589-A6 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 March 2023.

How much traffic does West Chester Pike over Cobbs Cr;septa/ 3589-A6 carry?

About 24,154 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is West Chester Pike over Cobbs Cr;septa/ 3589-A6?

The structure is 56 ft (17.1 m) long with a longest span of 40 ft (12.2 m) and a deck 75 ft wide.

Who owns West Chester Pike over Cobbs Cr;septa/ 3589-A6?

It is owned by the State Highway Agency.