US Bridges

Marshall Road over Naylors Run

Fair

Delaware County, Pennsylvania · .1MI.W.LONG Lane 27A12 · Structure no. 000000000015274

Built
1966
59 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
17,867
2024 count
Owner
State
State Highway Agency

About this bridge

Marshall Road over Naylors Run is a concrete slab carrying Marshall Road over Naylors Run in Delaware County, Pennsylvania. It was built in 1966, so it is 59 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 6 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 17,867 vehicles a day, roughly 3% of them trucks, projected to reach 20,600 by 2035. The structure is 24 ft (7.3 m) long and 57 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMarshall Road
CrossesNaylors Run
Location.1MI.W.LONG Lane 27A12
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.95186, -75.26517
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width57 ft (17.4 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,867 (2024)
Projected traffic20,600 by 2035
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Marshall Road over Naylors Run built?

It was built in 1966, making it 59 years old in 2025.

What condition is Marshall Road 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 Marshall Road over Naylors Run carry?

About 17,867 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Marshall Road over Naylors Run?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 57 ft wide.

Who owns Marshall Road over Naylors Run?

It is owned by the State Highway Agency.