FHWA NBI 2024 Inspection record Public-domain dataset

SOUTH MAIN STREET

Carrying SOUTH MAIN STREET over RARITAN VALLEY LINE

1.92MI SW US22 & CR57 JCT, Warren, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: SOUTH MAIN STREET

The SOUTH MAIN STREET bridge in Warren, New Jersey carries SOUTH MAIN STREET over RARITAN VALLEY LINE. It was built in 1914, making it 112 years old today. It was last reconstructed in 1992, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 45.4 meters (149 feet) end to end. Daily traffic averages 9,015 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 5/9, substructure at 6/9. 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 29.9 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SOUTH MAIN STREET compares

▼ 13.9
Load rating vs New Jersey average (43.8 t)
Bottom 26%
Lower load rating than 74% of New Jersey bridges
266
Bridges in Warren · 12 in Poor condition
SOUTH MAIN STREET 29.9 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
76.7 / 100 - historical 50–79.9 band
Structural adequacy /55
43.7
Serviceability /30
27.0
Essentiality /15
14.0
Special reductions
−8.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
29.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1914
Last Reconstructed
1992
Material
Steel
Number of Spans
1
Structure Length
45.4 m (149 ft)
Deck Width
11.2 m (37 ft)
Owner
Unknown
Avg Daily Traffic
9,015 vehicles/day
Structure Number
2160166

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether SOUTH MAIN STREET 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 SOUTH MAIN STREET against other structures in Warren 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 MAIN STREET?

SOUTH MAIN STREET in Warren, New Jersey has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SOUTH MAIN STREET inspected?

SOUTH MAIN STREET'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 9,015 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. SOUTH MAIN STREET 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 SOUTH MAIN STREET?

SOUTH MAIN STREET has an NBI inventory load rating of 29.9 metric tons.

Who is responsible for maintaining SOUTH MAIN STREET?

SOUTH MAIN STREET is owned and maintained by Unknown.

How old is SOUTH MAIN STREET and does age affect safety?

SOUTH MAIN STREET was built in 1914, making it 112 years old and last reconstructed in 1992.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.