FHWA NBI 2024 Inspection record Public-domain dataset

LA0022

Carrying LA0022 over TCHEFUNCTE R/MADISONVILL

MADISONVILLE (LA 22), St. Tammany, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: LA0022

The LA0022 bridge in St. Tammany, Louisiana carries LA0022 over TCHEFUNCTE R/MADISONVILL. It was built in 1980, making it 46 years old today. The structure is built primarily of steel and spans 6 sections, stretching 153.3 meters (503 feet) end to end. Daily traffic averages 16,517 vehicles, placing it in the heavily-trafficked tier of Louisiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 35.4 metric tons.

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

How LA0022 compares

▲ 3.1
Load rating vs Louisiana average (32.3 t)
Top 37%
Higher load rating than 63% of Louisiana bridges
360
Bridges in St. Tammany · 20 in Poor condition
LA0022 35.4 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
55.0 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
21.0
Essentiality /15
0.0
Special reductions
−11.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1980
Material
Steel
Number of Spans
6
Structure Length
153.3 m (503 ft)
Deck Width
11.5 m (38 ft)
Owner
State Highway Agency
Avg Daily Traffic
16,517 vehicles/day
Structure Number
625202610600001

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • 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 LA0022 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 LA0022 against other structures in St. Tammany 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 LA0022?

LA0022 in St. Tammany, Louisiana has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is LA0022 inspected?

LA0022'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 16,517 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0022 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 LA0022?

LA0022 has an NBI inventory load rating of 35.4 metric tons.

Who is responsible for maintaining LA0022?

LA0022 is owned and maintained by State Highway Agency.

How old is LA0022 and does age affect safety?

LA0022 was built in 1980, making it 46 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.