CHESTNUT AVENUE
Carrying CHESTNUT AVENUE over AMTRAK
.06 MILE EAST OF E STATE, Mercer, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CHESTNUT AVENUE
The CHESTNUT AVENUE bridge in Mercer, New Jersey carries CHESTNUT AVENUE over AMTRAK. It was built in 1930, making it 96 years old today. The structure is built primarily of steel and spans 3 sections, stretching 38.1 meters (125 feet) end to end. Daily traffic averages 1,122 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 3/9, superstructure at 4/9, 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 8.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CHESTNUT 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 How the historical reference is calculated.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
- 1930
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 38.1 m (125 ft)
- Deck Width
- 8.4 m (28 ft)
- Owner
- Unknown
- Avg Daily Traffic
- 1,122 vehicles/day
- Structure Number
- 1149163
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
- • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
- • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
CHESTNUT AVENUE 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 CHESTNUT 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 CHESTNUT AVENUE?
CHESTNUT AVENUE in Mercer, New Jersey has a deck rating of 3/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is CHESTNUT AVENUE inspected?
CHESTNUT 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 1,122 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CHESTNUT AVENUE 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 CHESTNUT AVENUE?
CHESTNUT AVENUE has an NBI inventory load rating of 8.2 metric tons.
Who is responsible for maintaining CHESTNUT AVENUE?
CHESTNUT AVENUE is owned and maintained by Unknown.
How old is CHESTNUT AVENUE and does age affect safety?
CHESTNUT AVENUE was built in 1930, making it 96 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.