FHWA NBI 2024 Inspection record Public-domain dataset

LA1229

Carrying LA1229 over REDLAND CREEK

.86 MI WEST OF LA 34, Winn, Louisiana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating Lower than 92% of rated Louisiana bridges

LA1229 in Winn, Louisiana sits above 8% of rated Louisiana bridges on inventory load rating (16 t), while its 1949 build year is earlier than 97% of Winn's recorded-year cohort (220 bridges).

LA1229 in Winn, Louisiana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1949, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. 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:086408641300861

PRE-1950 · TIMBER · MULTI-SPAN · SUB-LED · TRACE-ADT · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • TIMBER Wood or timber
  • MULTI-SPAN 3 spans
  • SUB-LED Substructure-led
  • TRACE-ADT Trace ADT
  • 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: LA1229

The LA1229 bridge in Winn, Louisiana carries LA1229 over REDLAND CREEK. It was built in 1949, making it 77 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 17.4 meters (57 feet) end to end. Daily traffic averages 39 vehicles, placing it in the lower-traffic 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. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How LA1229 compares

▼ 16.3
Load rating vs Louisiana average (32.2 t; 12,682 of 12,698 rated)
220
Bridges in Winn · 36 in Poor condition

Age against the county: built in 1949, earlier than 213 of Winn's 220 bridges with a recorded construction year (97%), against a county median build year of 1991. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

LA1229 15.9 t
Louisiana average (12,682 of 12,698 rated) 32.2 t

Live comparison across Louisiana bridges with a recorded inventory load rating (12,682 of 12,698 rated).

LA1229 vs every rated Louisiana bridge

Inventory load rating (metric tons), FHWA NBI, this state

16 Top 92% higher than 8% 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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
15.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Winn inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 220 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
1949
Material
Wood or Timber
Number of Spans
3
Structure Length
17.4 m (57 ft)
Deck Width
6.7 m (22 ft)
Owner
State Highway Agency
Avg Daily Traffic
39 vehicles/day
Structure Number
086408641300861

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.

How to read this record

LA1229 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 LA1229 against other structures in Winn 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 LA1229?

LA1229 in Winn, 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 LA1229 inspected?

LA1229'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 39 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA1229 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 LA1229?

LA1229 has an NBI inventory load rating of 15.9 metric tons.

Who is responsible for maintaining LA1229?

LA1229 is owned and maintained by State Highway Agency.

How old is LA1229 and does age affect safety?

LA1229 was built in 1949, making it 77 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.