SOUTH CLINTON AVE
Carrying SOUTH CLINTON AVE over AMTRAK NE CORRIDOR
0.05 MILES N OF NJ 33, Mercer, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SOUTH CLINTON AVE
The SOUTH CLINTON AVE bridge in Mercer, New Jersey carries SOUTH CLINTON AVE over AMTRAK NE CORRIDOR. It was built in 1890, making it 136 years old today. It was last reconstructed in 1983, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 36.0 meters (118 feet) end to end. Daily traffic averages 7,956 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 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 21.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SOUTH CLINTON AVE 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 How the historical reference is calculated.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
- 1890
- Last Reconstructed
- 1983
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 36.0 m (118 ft)
- Deck Width
- 8.2 m (27 ft)
- Owner
- Unknown
- Avg Daily Traffic
- 7,956 vehicles/day
- Structure Number
- 1149162
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • 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 fair at 5/9, minor deterioration that routine maintenance should address.
How to read this record
SOUTH CLINTON AVE 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 SOUTH CLINTON AVE 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 SOUTH CLINTON AVE?
SOUTH CLINTON AVE in Mercer, New Jersey has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is SOUTH CLINTON AVE inspected?
SOUTH CLINTON AVE'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 7,956 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SOUTH CLINTON AVE 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 SOUTH CLINTON AVE?
SOUTH CLINTON AVE has an NBI inventory load rating of 21.8 metric tons.
Who is responsible for maintaining SOUTH CLINTON AVE?
SOUTH CLINTON AVE is owned and maintained by Unknown.
How old is SOUTH CLINTON AVE and does age affect safety?
SOUTH CLINTON AVE was built in 1890, making it 136 years old and last reconstructed in 1983.
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.