FHWA NBI 2024 Inspection record Public-domain dataset

Thing Dufour Rd

Carrying Thing Dufour Rd over BAYOU DES GLAISES

0.15 MI. EAST OF LA 451, Avoyelles, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
27 t Inventory load rating

Bridge Snapshot: Thing Dufour Rd

The Thing Dufour Rd bridge in Avoyelles, Louisiana carries Thing Dufour Rd over BAYOU DES GLAISES. It was built in 1998, making it 28 years old today. The structure is built primarily of concrete and spans 9 sections, stretching 52.1 meters (171 feet) end to end. Daily traffic averages 220 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by County 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 26.9 metric tons.

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

How Thing Dufour Rd compares

▼ 5.4
Load rating vs Louisiana average (32.3 t)
Bottom 33%
Lower load rating than 67% of Louisiana bridges
147
Bridges in Avoyelles · 28 in Poor condition
Thing Dufour Rd 26.9 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
79.4 / 100 - historical 50–79.9 band
Structural adequacy /55
50.8
Serviceability /30
16.8
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1998
Material
Concrete
Number of Spans
9
Structure Length
52.1 m (171 ft)
Deck Width
8.2 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
220 vehicles/day
Structure Number
080531019914841

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether Thing Dufour Rd 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 Thing Dufour Rd against other structures in Avoyelles 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 Thing Dufour Rd?

Thing Dufour Rd in Avoyelles, 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 Thing Dufour Rd inspected?

Thing Dufour Rd'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 220 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Thing Dufour Rd 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 Thing Dufour Rd?

Thing Dufour Rd has an NBI inventory load rating of 26.9 metric tons.

Who is responsible for maintaining Thing Dufour Rd?

Thing Dufour Rd is owned and maintained by County Highway Agency.

How old is Thing Dufour Rd and does age affect safety?

Thing Dufour Rd was built in 1998, making it 28 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.