SOUTHERN PARKWAY
Carrying SOUTHERN PARKWAY over 135 135 03011095 RTE 13
JCT SH 135 & SSP, Nassau, New York
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
SOUTHERN PARKWAY in Nassau, New York sits above 92% of rated New York bridges on inventory load rating (65 t), while its 1962 build year is earlier than 34% of Nassau's recorded-year cohort (328 bridges).
SOUTHERN PARKWAY in Nassau, New York is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1962, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure NY:000000001037920
INTERSTATE-ERA · STEEL · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Structural health score
A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.
Bridge Snapshot: SOUTHERN PARKWAY
The SOUTHERN PARKWAY bridge in Nassau, New York carries SOUTHERN PARKWAY over 135 135 03011095 RTE 13. It was built in 1962, making it 64 years old today. The structure is built primarily of steel and spans 2 sections, stretching 34.4 meters (113 feet) end to end. Daily traffic averages 7,249 vehicles, placing it in the moderately-trafficked tier of New York bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection places the weakest component in fair condition (see the full component ratings below). All reported major components score above the Poor range.
How SOUTHERN PARKWAY compares
Age against the county: built in 1962, earlier than 112 of Nassau's 328 bridges with a recorded construction year (34%), against a county median build year of 1956. This is one of the newer structures in its county.
Live comparison across New York bridges with a recorded inventory load rating (17,641 of 17,642 rated).
SOUTHERN PARKWAY vs every rated New York bridge
Inventory load rating (metric tons), FHWA NBI, this state
65 Top 8% higher than 92% of 17,641 bridges
rated New York bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Nassau inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 328 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1962
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 34.4 m (113 ft)
- Deck Width
- 16.4 m (54 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 7,249 vehicles/day
- Structure Number
- 000000001037920
Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether SOUTHERN PARKWAY 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 SOUTHERN PARKWAY against other structures in Nassau and across New York. New York 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 SOUTHERN PARKWAY?
SOUTHERN PARKWAY in Nassau, New York has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is SOUTHERN PARKWAY inspected?
SOUTHERN PARKWAY'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 7,249 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SOUTHERN PARKWAY 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 SOUTHERN PARKWAY?
SOUTHERN PARKWAY has an NBI inventory load rating of 64.5 metric tons.
Who is responsible for maintaining SOUTHERN PARKWAY?
SOUTHERN PARKWAY is owned and maintained by State Highway Agency.
How old is SOUTHERN PARKWAY and does age affect safety?
SOUTHERN PARKWAY was built in 1962, making it 64 years old.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.