LA3017
Carrying LA3017 over BAYOU BARATARIA
3.9 MI WEST OF LA 23, Plaquemines, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
LA3017 in Plaquemines, Louisiana sits above 20% of rated Louisiana bridges on inventory load rating (21 t), while its 1971 build year is earlier than 59% of Plaquemines's recorded-year cohort (34 bridges).
LA3017 in Plaquemines, Louisiana is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1971, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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 LA:023808380100001
INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · SUB-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- LONG-SPAN-RUN 13 spans
- SUB-LED Substructure-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard 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.
Bridge Snapshot: LA3017
The LA3017 bridge in Plaquemines, Louisiana carries LA3017 over BAYOU BARATARIA. It was built in 1971, making it 55 years old today. The structure is built primarily of concrete and spans 13 sections, stretching 85.3 meters (280 feet) end to end. Daily traffic averages 22,518 vehicles, placing it in the heavily-trafficked tier of Louisiana bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How LA3017 compares
Age against the county: built in 1971, earlier than 20 of Plaquemines's 34 bridges with a recorded construction year (59%), against a county median build year of 1976. 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).
LA3017 vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
21 Top 80% higher than 20% 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.
Plaquemines inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 34 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
- 1971
- Material
- Concrete
- Number of Spans
- 13
- Structure Length
- 85.3 m (280 ft)
- Deck Width
- 10.5 m (34 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 22,518 vehicles/day
- Structure Number
- 023808380100001
Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) is in fair condition (5/9), 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 LA3017 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 LA3017 against other structures in Plaquemines 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 LA3017?
LA3017 in Plaquemines, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is LA3017 inspected?
LA3017'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 22,518 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LA3017 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 LA3017?
LA3017 has an NBI inventory load rating of 21.4 metric tons.
Who is responsible for maintaining LA3017?
LA3017 is owned and maintained by State Highway Agency.
How old is LA3017 and does age affect safety?
LA3017 was built in 1971, making it 55 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.