FHWA NBI 2024 Inspection record Public-domain dataset

LA0458

Carrying LA0458 over SIX MILE CREEK

4.06 MI. EAST OF LA 399, Vernon, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
36 t Inventory load rating

Bridge Snapshot: LA0458

The LA0458 bridge in Vernon, Louisiana carries LA0458 over SIX MILE CREEK. It was built in 1994, making it 32 years old today. The structure is built primarily of concrete and spans 18 sections, stretching 109.7 meters (360 feet) end to end. Daily traffic averages 250 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 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 36.3 metric tons.

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

How LA0458 compares

▲ 4.0
Load rating vs Louisiana average (32.3 t)
Top 35%
Higher load rating than 65% of Louisiana bridges
341
Bridges in Vernon · 26 in Poor condition
LA0458 36.3 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
98.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
Special reductions
−1.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1994
Material
Concrete
Number of Spans
18
Structure Length
109.7 m (360 ft)
Deck Width
10.0 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
250 vehicles/day
Structure Number
085801383001401

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) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether LA0458 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 LA0458 against other structures in Vernon 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 LA0458?

LA0458 in Vernon, 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 LA0458 inspected?

LA0458'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 250 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0458 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 LA0458?

LA0458 has an NBI inventory load rating of 36.3 metric tons.

Who is responsible for maintaining LA0458?

LA0458 is owned and maintained by State Highway Agency.

How old is LA0458 and does age affect safety?

LA0458 was built in 1994, making it 32 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.