FHWA NBI 2024 Inspection record Public-domain dataset

LA0087

Carrying LA0087 over CHARENTON CANAL

0.5 MI WEST OF LA 326, St. Mary, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
40 t Inventory load rating

Bridge Snapshot: LA0087

The LA0087 bridge in St. Mary, Louisiana carries LA0087 over CHARENTON CANAL. It was built in 1999, making it 27 years old today. The structure is built primarily of prestressed concrete continuous and spans 5 sections, stretching 111.3 meters (365 feet) end to end. Daily traffic averages 883 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 6/9, substructure at 7/9. 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 39.9 metric tons.

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

How LA0087 compares

▲ 7.6
Load rating vs Louisiana average (32.3 t)
Top 23%
Higher load rating than 77% of Louisiana bridges
124
Bridges in St. Mary · 8 in Poor condition
LA0087 39.9 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
96.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.4
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
39.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1999
Material
Prestressed Concrete Continuous
Number of Spans
5
Structure Length
111.3 m (365 ft)
Deck Width
14.3 m (47 ft)
Owner
State Highway Agency
Avg Daily Traffic
883 vehicles/day
Structure Number
035102410208871

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • 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 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 LA0087 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 LA0087 against other structures in St. Mary 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 LA0087?

LA0087 in St. Mary, Louisiana has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is LA0087 inspected?

LA0087'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 883 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0087 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 LA0087?

LA0087 has an NBI inventory load rating of 39.9 metric tons.

Who is responsible for maintaining LA0087?

LA0087 is owned and maintained by State Highway Agency.

How old is LA0087 and does age affect safety?

LA0087 was built in 1999, making it 27 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.