W. DELAWARE AVENUE
Carrying W. DELAWARE AVENUE over TRENTON LINE (CSXT)
2.6MI OF NW I295&NJ31 JCT, Mercer, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: W. DELAWARE AVENUE
The W. DELAWARE AVENUE bridge in Mercer, New Jersey carries W. DELAWARE AVENUE over TRENTON LINE (CSXT). It was built in 1914, making it 112 years old today. It was last reconstructed in 1975, extending its service life. The structure is built primarily of wood or timber and spans 3 sections, stretching 23.8 meters (78 feet) end to end. Daily traffic averages 6,163 vehicles, placing it in the moderately-trafficked tier of New Jersey bridges. It is owned and maintained by Unknown.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 20.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How W. DELAWARE AVENUE 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 How the historical reference is calculated.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
- 1914
- Last Reconstructed
- 1975
- Material
- Wood or Timber
- Number of Spans
- 3
- Structure Length
- 23.8 m (78 ft)
- Deck Width
- 12.3 m (40 ft)
- Owner
- Unknown
- Avg Daily Traffic
- 6,163 vehicles/day
- Structure Number
- 1150160
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.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether W. DELAWARE AVENUE 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 W. DELAWARE AVENUE 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 W. DELAWARE AVENUE?
W. DELAWARE AVENUE in Mercer, New Jersey has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is W. DELAWARE AVENUE inspected?
W. DELAWARE AVENUE'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 6,163 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. W. DELAWARE AVENUE 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 W. DELAWARE AVENUE?
W. DELAWARE AVENUE has an NBI inventory load rating of 20.0 metric tons.
Who is responsible for maintaining W. DELAWARE AVENUE?
W. DELAWARE AVENUE is owned and maintained by Unknown.
How old is W. DELAWARE AVENUE and does age affect safety?
W. DELAWARE AVENUE was built in 1914, making it 112 years old and last reconstructed in 1975.
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.