De Saix BLVD
Carrying De Saix BLVD over BAYOU SAINT JOHN
0.0MI.E.OF WISNER BL, Orleans, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
De Saix BLVD in Orleans, Louisiana sits above 14% of rated Louisiana bridges on inventory load rating (19 t), while its 1941 build year is earlier than 96% of Orleans's recorded-year cohort (382 bridges).
De Saix BLVD in Orleans, Louisiana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1941, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor 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 LA:023629594900521
PRE-1950 · STEEL · MULTI-SPAN · TIED-CTRL · ADT-UNK · LIGHT-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- STEEL Steel
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- ADT-UNK ADT unknown
- LIGHT-LOAD Light load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: De Saix BLVD
The De Saix BLVD bridge in Orleans, Louisiana carries De Saix BLVD over BAYOU SAINT JOHN. It was built in 1941, making it 85 years old today. The structure is built primarily of steel and spans 3 sections, stretching 28.7 meters (94 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 3/9, substructure at 3/9. 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.
How De Saix BLVD compares
Age against the county: built in 1941, earlier than 365 of Orleans's 382 bridges with a recorded construction year (96%), against a county median build year of 1973. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Louisiana bridges with a recorded inventory load rating (12,682 of 12,698 rated).
De Saix BLVD vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
19 Top 86% higher than 14% of 12,682 bridges
rated Louisiana 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.
Orleans inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 382 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
- 1941
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 28.7 m (94 ft)
- Deck Width
- 18.3 m (60 ft)
- Owner
- City/Municipal Highway Agency
- Structure Number
- 023629594900521
Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 3/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
- • The substructure (piers and abutments) is in poor condition (3/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
De Saix BLVD 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 De Saix BLVD against other structures in Orleans and across Louisiana. Louisiana 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 De Saix BLVD?
De Saix BLVD in Orleans, Louisiana has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is De Saix BLVD inspected?
De Saix BLVD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. De Saix BLVD 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 De Saix BLVD?
De Saix BLVD has an NBI inventory load rating of 19.1 metric tons.
Who is responsible for maintaining De Saix BLVD?
De Saix BLVD is owned and maintained by City/Municipal Highway Agency.
How old is De Saix BLVD and does age affect safety?
De Saix BLVD was built in 1941, making it 85 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.
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.