FHWA NBI 2024 Inspection record Public-domain dataset

MARSHALL ROAD

Carrying MARSHALL ROAD over NAYLORS RUN-ENCLOSED BOX

UPPER DARBY 27B12, Delaware, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
38 t Inventory load rating

Bridge Snapshot: MARSHALL ROAD

The MARSHALL ROAD bridge in Delaware, Pennsylvania carries MARSHALL ROAD over NAYLORS RUN-ENCLOSED BOX. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 26,260 vehicles, placing it in the heavily-trafficked tier of Pennsylvania bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 38.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How MARSHALL ROAD compares

▼ 1.2
Load rating vs Pennsylvania average (39.3 t)
Top 50%
Higher load rating than 50% of Pennsylvania bridges
269
Bridges in Delaware · 27 in Poor condition
MARSHALL ROAD 38.1 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
63.4 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
14.0
Essentiality /15
4.4
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
38.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1966
Material
Concrete
Number of Spans
1
Structure Length
7.0 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
26,260 vehicles/day
Structure Number
000000000015276

Condition Analysis

  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether MARSHALL ROAD is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare MARSHALL ROAD against other structures in Delaware and across Pennsylvania. Pennsylvania bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for MARSHALL ROAD?

MARSHALL ROAD in Delaware, Pennsylvania, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MARSHALL ROAD inspected?

MARSHALL ROAD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 26,260 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. MARSHALL ROAD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for MARSHALL ROAD?

MARSHALL ROAD has an NBI inventory load rating of 38.1 metric tons.

Who is responsible for maintaining MARSHALL ROAD?

MARSHALL ROAD is owned and maintained by State Highway Agency.

How old is MARSHALL ROAD and does age affect safety?

MARSHALL ROAD was built in 1966, making it 60 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.