FHWA NBI 2024 Inspection record Public-domain dataset

N Marchand Ave

Carrying N Marchand Ave over NEW RIVER

GONZALES .2 MI WEST LA 44, Ascension, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
21 t Inventory load rating

Bridge Snapshot: N Marchand Ave

The N Marchand Ave bridge in Ascension, Louisiana carries N Marchand Ave over NEW RIVER. It was built in 1996, making it 30 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 29.0 meters (95 feet) end to end. Daily traffic averages 10 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 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 21.4 metric tons.

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

How N Marchand Ave compares

▼ 10.9
Load rating vs Louisiana average (32.3 t)
Bottom 21%
Lower load rating than 79% of Louisiana bridges
216
Bridges in Ascension · 28 in Poor condition
N Marchand Ave 21.4 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
57.5 / 100 - historical 50–79.9 band
Structural adequacy /55
33.1
Serviceability /30
17.5
Essentiality /15
14.9
Special reductions
−8.0

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 How the historical reference is calculated.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
21.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1996
Material
Concrete
Number of Spans
5
Structure Length
29.0 m (95 ft)
Deck Width
9.1 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
10 vehicles/day
Structure Number
610330145905551

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, 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 N Marchand Ave 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 N Marchand Ave against other structures in Ascension 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 N Marchand Ave?

N Marchand Ave in Ascension, 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 N Marchand Ave inspected?

N Marchand Ave'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 10 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N Marchand Ave 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 N Marchand Ave?

N Marchand Ave has an NBI inventory load rating of 21.4 metric tons.

Who is responsible for maintaining N Marchand Ave?

N Marchand Ave is owned and maintained by County Highway Agency.

How old is N Marchand Ave and does age affect safety?

N Marchand Ave was built in 1996, making it 30 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.