FHWA NBI 2024 Inspection record Public-domain dataset

LA0091

Carrying LA0091 over BAYOU JONAS

1.66 MI W of LA 1120, Acadia, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating

Bridge Snapshot: LA0091

The LA0091 bridge in Acadia, Louisiana carries LA0091 over BAYOU JONAS. It was built in 1979, making it 47 years old today. The structure is built primarily of concrete and spans 6 sections, stretching 34.7 meters (114 feet) end to end. Daily traffic averages 1,617 vehicles, placing it in the moderately-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 4/9. 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. Its NBI inventory load rating is 24.3 metric tons.

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

How LA0091 compares

▼ 8.0
Load rating vs Louisiana average (32.3 t)
Bottom 28%
Lower load rating than 72% of Louisiana bridges
282
Bridges in Acadia · 25 in Poor condition
LA0091 24.3 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
63.2 / 100 - historical 50–79.9 band
Structural adequacy /55
22.5
Serviceability /30
28.0
Essentiality /15
12.7
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1979
Material
Concrete
Number of Spans
6
Structure Length
34.7 m (114 ft)
Deck Width
13.2 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,617 vehicles/day
Structure Number
030102110106361

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.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

LA0091 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 LA0091 against other structures in Acadia 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 LA0091?

LA0091 in Acadia, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is LA0091 inspected?

LA0091'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 1,617 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0091 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 LA0091?

LA0091 has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining LA0091?

LA0091 is owned and maintained by State Highway Agency.

How old is LA0091 and does age affect safety?

LA0091 was built in 1979, making it 47 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.