FHWA NBI 2024 Inspection record Public-domain dataset

Neff Ln

Carrying Neff Ln over DRAINAGE BAYOU

3.1 MI.ENE LA64,LA67, East Baton Rouge, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: Neff Ln

The Neff Ln bridge in East Baton Rouge, Louisiana carries Neff Ln over DRAINAGE BAYOU. It was built in 1965, making it 61 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 22 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 7/9, superstructure at 6/9, substructure at 4/9. 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 22.0 metric tons.

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

How Neff Ln compares

▼ 10.3
Load rating vs Louisiana average (32.3 t)
Bottom 22%
Lower load rating than 78% of Louisiana bridges
548
Bridges in East Baton Rouge · 103 in Poor condition
Neff Ln 22.0 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
48.8 / 100 - historical 20–49.9 band
Structural adequacy /55
19.1
Serviceability /30
23.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
22.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1965
Material
Wood or Timber
Number of Spans
3
Structure Length
11.3 m (37 ft)
Deck Width
7.7 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
22 vehicles/day
Structure Number
611730394910321

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 fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

Neff Ln 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 Neff Ln against other structures in East Baton Rouge 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 Neff Ln?

Neff Ln in East Baton Rouge, Louisiana has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is Neff Ln inspected?

Neff Ln'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 22 vehicles per day.

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

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

Neff Ln has an NBI inventory load rating of 22.0 metric tons.

Who is responsible for maintaining Neff Ln?

Neff Ln is owned and maintained by County Highway Agency.

How old is Neff Ln and does age affect safety?

Neff Ln was built in 1965, making it 61 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.