FHWA NBI 2024 Inspection record Public-domain dataset

LA0023

Carrying LA0023 over BAYOU BARRIERE

.3 MI SOUTH OF LA 428, Plaquemines, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
42 t Inventory load rating

Bridge Snapshot: LA0023

The LA0023 bridge in Plaquemines, Louisiana carries LA0023 over BAYOU BARRIERE. It was built in 1968, making it 58 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 25,594 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 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 41.7 metric tons.

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

How LA0023 compares

▲ 9.4
Load rating vs Louisiana average (32.3 t)
Top 17%
Higher load rating than 83% of Louisiana bridges
34
Bridges in Plaquemines · 7 in Poor condition
LA0023 41.7 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
81.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
41.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1968
Material
Concrete
Number of Spans
3
Structure Length
27.4 m (90 ft)
Deck Width
10.2 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
25,594 vehicles/day
Structure Number
023800620201141

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether LA0023 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 LA0023 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 LA0023?

LA0023 in Plaquemines, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is LA0023 inspected?

LA0023'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 25,594 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0023 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 LA0023?

LA0023 has an NBI inventory load rating of 41.7 metric tons.

Who is responsible for maintaining LA0023?

LA0023 is owned and maintained by State Highway Agency.

How old is LA0023 and does age affect safety?

LA0023 was built in 1968, making it 58 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.

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.