Marshall Road over Naylors Run-Enclosed Box
FairDelaware County, Pennsylvania · Upper Darby 27B12 · Structure no. 000000000015276
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected January 2024
- Type
- Slab
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 21,066
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Marshall Road over Naylors Run-Enclosed Box is a concrete slab carrying Marshall Road over Naylors Run-Enclosed Box 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 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 21,066 vehicles a day, roughly 3% of them trucks, projected to reach 24,899 by 2032. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Marshall Road over Naylors Run-Enclosed Box built?
It was built in 1966, making it 59 years old in 2025.
What condition is Marshall Road over Naylors Run-Enclosed Box 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-Enclosed Box carry?
About 21,066 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Marshall Road over Naylors Run-Enclosed Box?
The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).
Who owns Marshall Road over Naylors Run-Enclosed Box?
It is owned by the State Highway Agency.