FHWA NBI 2024 Inspection record Public-domain dataset

LA0159

Carrying LA0159 over KCS RR MINDEN

1.5 MI S OF US80, Webster, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: LA0159

The LA0159 bridge in Webster, Louisiana carries LA0159 over KCS RR MINDEN. It was built in 1935, making it 91 years old today. The structure is built primarily of steel and spans 1 section, stretching 39.6 meters (130 feet) end to end. Daily traffic averages 6,459 vehicles, placing it in the moderately-trafficked tier of Louisiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 18.8 metric tons.

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

How LA0159 compares

▼ 13.5
Load rating vs Louisiana average (32.3 t)
Bottom 14%
Lower load rating than 86% of Louisiana bridges
194
Bridges in Webster · 48 in Poor condition
LA0159 18.8 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
39.8 / 100 - historical 20–49.9 band
Structural adequacy /55
28.7
Serviceability /30
4.0
Essentiality /15
7.1
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
18.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1935
Material
Steel
Number of Spans
1
Structure Length
39.6 m (130 ft)
Deck Width
8.2 m (27 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,459 vehicles/day
Structure Number
046000270313242

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

LA0159 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare LA0159 against other structures in Webster 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 LA0159?

LA0159 in Webster, Louisiana has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is LA0159 inspected?

LA0159'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 6,459 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0159 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for LA0159?

LA0159 has an NBI inventory load rating of 18.8 metric tons.

Who is responsible for maintaining LA0159?

LA0159 is owned and maintained by State Highway Agency.

How old is LA0159 and does age affect safety?

LA0159 was built in 1935, making it 91 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.