FHWA NBI 2024 Inspection record Public-domain dataset

LA0921

Carrying LA0921 over TAGUE BAYOU

1.9 MI NORTH OF LA 567, Catahoula, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
29 t Inventory load rating

Bridge Snapshot: LA0921

The LA0921 bridge in Catahoula, Louisiana carries LA0921 over TAGUE BAYOU. It was built in 1964, making it 62 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 30.5 meters (100 feet) end to end. Daily traffic averages 145 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 29.0 metric tons.

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

How LA0921 compares

▼ 3.3
Load rating vs Louisiana average (32.3 t)
Bottom 38%
Lower load rating than 62% of Louisiana bridges
70
Bridges in Catahoula · 6 in Poor condition
LA0921 29.0 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
83.6 / 100 - historical 80–100 band
Structural adequacy /55
53.0
Serviceability /30
20.3
Essentiality /15
13.9
Special reductions
−3.5

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
29.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1964
Material
Concrete
Number of Spans
5
Structure Length
30.5 m (100 ft)
Deck Width
8.9 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
145 vehicles/day
Structure Number
581303540205621

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether LA0921 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 LA0921 against other structures in Catahoula 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 LA0921?

LA0921 in Catahoula, Louisiana has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is LA0921 inspected?

LA0921'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 145 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0921 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for LA0921?

LA0921 has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining LA0921?

LA0921 is owned and maintained by State Highway Agency.

How old is LA0921 and does age affect safety?

LA0921 was built in 1964, making it 62 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.