FHWA NBI 2024 Inspection record Public-domain dataset

ATV TRAIL

Carrying ATV TRAIL over MACK BAYOU

MACK BAYOU (NORTH), Madison, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
10 t Inventory load rating

Bridge Snapshot: ATV TRAIL

The ATV TRAIL bridge in Madison, Louisiana carries ATV TRAIL over MACK BAYOU. It was built in 1986, making it 40 years old today. The structure is built primarily of steel and spans 2 sections, stretching 16.5 meters (54 feet) end to end. Daily traffic averages 2 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by Bureau of Fish and Wildlife.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 10.0 metric tons.

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

How ATV TRAIL compares

▼ 22.3
Load rating vs Louisiana average (32.3 t)
Bottom 2%
Lower load rating than 98% of Louisiana bridges
104
Bridges in Madison · 7 in Poor condition
ATV TRAIL 10.0 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
32.4 / 100 - historical 20–49.9 band
Structural adequacy /55
10.5
Serviceability /30
7.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
10.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1986
Material
Steel
Number of Spans
2
Structure Length
16.5 m (54 ft)
Deck Width
3.1 m (10 ft)
Owner
Bureau of Fish and Wildlife
Avg Daily Traffic
2 vehicles/day
Structure Number
000043690-00020

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether ATV TRAIL 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 ATV TRAIL against other structures in Madison 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 ATV TRAIL?

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

How often is ATV TRAIL inspected?

ATV TRAIL'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 2 vehicles per day.

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

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

ATV TRAIL has an NBI inventory load rating of 10.0 metric tons.

Who is responsible for maintaining ATV TRAIL?

ATV TRAIL is owned and maintained by Bureau of Fish and Wildlife.

How old is ATV TRAIL and does age affect safety?

ATV TRAIL was built in 1986, making it 40 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.