WASHINGTON ROAD
Carrying WASHINGTON ROAD over D & R CANAL
0.74 MI WEST OF US 1 JCT, Mercer, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: WASHINGTON ROAD
The WASHINGTON ROAD bridge in Mercer, New Jersey carries WASHINGTON ROAD over D & R CANAL. It was built in 1954, making it 72 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 14.9 meters (49 feet) end to end. Daily traffic averages 15,158 vehicles, placing it in the heavily-trafficked tier of New Jersey bridges. It is owned and maintained by Other State Agencies.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 9.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How WASHINGTON ROAD compares
Live comparison across New Jersey.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1954
- Material
- Wood or Timber
- Number of Spans
- 3
- Structure Length
- 14.9 m (49 ft)
- Deck Width
- 15.8 m (52 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 15,158 vehicles/day
- Structure Number
- 3000156
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • 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) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
How to read this record
WASHINGTON ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare WASHINGTON ROAD against other structures in Mercer and across New Jersey. New Jersey 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 WASHINGTON ROAD?
WASHINGTON ROAD in Mercer, New Jersey has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is WASHINGTON ROAD inspected?
WASHINGTON 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 15,158 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WASHINGTON ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for WASHINGTON ROAD?
WASHINGTON ROAD has an NBI inventory load rating of 9.1 metric tons.
Who is responsible for maintaining WASHINGTON ROAD?
WASHINGTON ROAD is owned and maintained by Other State Agencies.
How old is WASHINGTON ROAD and does age affect safety?
WASHINGTON ROAD was built in 1954, making it 72 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.
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.