LOWER FERRY (CR643
Carrying LOWER FERRY (CR643 over D&R CANAL FEEDER
1000 FEET EAST OF NJ 29, Mercer, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: LOWER FERRY (CR643
The LOWER FERRY (CR643 bridge in Mercer, New Jersey carries LOWER FERRY (CR643 over D&R CANAL FEEDER. It was built in 2013, making it 13 years old today. The structure is built primarily of steel and spans 1 section, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 8,995 vehicles, placing it in the moderately-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 7/9, substructure at 8/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 71.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How LOWER FERRY (CR643 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 How the historical reference is calculated.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
- 2013
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 11.3 m (37 ft)
- Deck Width
- 12.3 m (40 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 8,995 vehicles/day
- Structure Number
- 3001162
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) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether LOWER FERRY (CR643 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 LOWER FERRY (CR643 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 LOWER FERRY (CR643?
LOWER FERRY (CR643 in Mercer, New Jersey has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is LOWER FERRY (CR643 inspected?
LOWER FERRY (CR643'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 8,995 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LOWER FERRY (CR643 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 LOWER FERRY (CR643?
LOWER FERRY (CR643 has an NBI inventory load rating of 71.9 metric tons.
Who is responsible for maintaining LOWER FERRY (CR643?
LOWER FERRY (CR643 is owned and maintained by Other State Agencies.
How old is LOWER FERRY (CR643 and does age affect safety?
LOWER FERRY (CR643 was built in 2013, making it 13 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.