MAIN STREET
Carrying MAIN STREET over FLAT BROOK
OFF OF NPS ROAD 615 (WALP, Sussex, New Jersey
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MAIN STREET
The MAIN STREET bridge in Sussex, New Jersey carries MAIN STREET over FLAT BROOK. It was built in 1889, making it 137 years old today. It was last reconstructed in 2013, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 20.9 meters (69 feet) end to end. Daily traffic averages 302 vehicles, placing it in the lower-traffic tier of New Jersey bridges. It is owned and maintained by National Park Service.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 3/9, substructure at 6/9. 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.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MAIN STREET 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 How the historical reference is calculated.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
- 1889
- Last Reconstructed
- 2013
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 20.9 m (69 ft)
- Deck Width
- 3.7 m (12 ft)
- Owner
- National Park Service
- Avg Daily Traffic
- 302 vehicles/day
- Structure Number
- 4320040P0000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 3/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
MAIN STREET 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 MAIN STREET against other structures in Sussex 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 MAIN STREET?
MAIN STREET in Sussex, New Jersey has a deck rating of 7/9, superstructure rating of 3/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is MAIN STREET inspected?
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 302 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MAIN STREET 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 MAIN STREET?
An inventory load rating is not recorded for MAIN STREET.
Who is responsible for maintaining MAIN STREET?
MAIN STREET is owned and maintained by National Park Service.
How old is MAIN STREET and does age affect safety?
MAIN STREET was built in 1889, making it 137 years old and last reconstructed in 2013.
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.