US Bridges

West Chester Pike over Naylors Run

Fair

Delaware County, Pennsylvania · 1MI.EAST Lr 719 26F09 · Structure no. 000000000014821

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
29,303
2023 count
Owner
State
State Highway Agency

About this bridge

West Chester Pike over Naylors Run is a concrete tee beam carrying West Chester Pike over Naylors Run in Delaware County, Pennsylvania. It was built in 1959, so it is 66 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 29,303 vehicles a day, roughly 4% of them trucks, projected to reach 38,533 by 2035. The structure is 25 ft (7.6 m) long and 110 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest Chester Pike
CrossesNaylors Run
Location1MI.EAST Lr 719 26F09
RouteState Highway 3
Coordinates39.97001, -75.30261
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width110 ft (33.5 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,303 (2023)
Projected traffic38,533 by 2035
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was West Chester Pike over Naylors Run built?

It was built in 1959, making it 66 years old in 2025.

What condition is West Chester Pike over Naylors Run 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 January 2024.

How much traffic does West Chester Pike over Naylors Run carry?

About 29,303 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is West Chester Pike over Naylors Run?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 110 ft wide.

Who owns West Chester Pike over Naylors Run?

It is owned by the State Highway Agency.