FHWA NBI 2024 Inspection record Public-domain dataset

I0049

Carrying I0049 over KISATCHIE BAYOU

7.29 MI. NORTH OF LA 119, Natchitoches, Louisiana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
39 t Inventory load rating Higher than 73% of rated Louisiana bridges

I0049 in Natchitoches, Louisiana sits above 73% of rated Louisiana bridges on inventory load rating (39 t), while its 1988 build year is earlier than 36% of Natchitoches's recorded-year cohort (313 bridges).

I0049 in Natchitoches, Louisiana is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1988, 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:083504550617701

LATE-CENTURY · PRESTRESS · LONG-SPAN-RUN · SUPER-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • LONG-SPAN-RUN 14 spans
  • SUPER-LED Superstructure-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: I0049

The I0049 bridge in Natchitoches, Louisiana carries I0049 over KISATCHIE BAYOU. It was built in 1988, making it 38 years old today. The structure is built primarily of prestressed concrete continuous and spans 14 sections, stretching 286.5 meters (940 feet) end to end. Daily traffic averages 18,305 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 5/9, 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.

How I0049 compares

▲ 6.8
Load rating vs Louisiana average (32.2 t; 12,682 of 12,698 rated)
313
Bridges in Natchitoches · 48 in Poor condition

Age against the county: built in 1988, earlier than 114 of Natchitoches's 313 bridges with a recorded construction year (36%), against a county median build year of 1985. This is one of the newer structures in its county.

I0049 39.0 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).

I0049 vs every rated Louisiana bridge

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

39 Top 27% higher than 73% 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
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
39.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Natchitoches inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 313 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
1988
Material
Prestressed Concrete Continuous
Number of Spans
14
Structure Length
286.5 m (940 ft)
Deck Width
13.0 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
18,305 vehicles/day
Structure Number
083504550617701

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) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether I0049 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 I0049 against other structures in Natchitoches 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 I0049?

I0049 in Natchitoches, Louisiana has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is I0049 inspected?

I0049'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 18,305 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I0049 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 I0049?

I0049 has an NBI inventory load rating of 39.0 metric tons.

Who is responsible for maintaining I0049?

I0049 is owned and maintained by State Highway Agency.

How old is I0049 and does age affect safety?

I0049 was built in 1988, making it 38 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.