FHWA NBI 2024 Inspection record Public-domain dataset

LA0473

Carrying LA0473 over BAYOU TORO

1.6 MI EAST OF LA 191, Sabine, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: LA0473

The LA0473 bridge in Sabine, Louisiana carries LA0473 over BAYOU TORO. It was built in 1986, making it 40 years old today. The structure is built primarily of prestressed concrete continuous and spans 17 sections, stretching 259.7 meters (852 feet) end to end. Daily traffic averages 738 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 6/9, superstructure at 3/9, substructure at 7/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 32.1 metric tons.

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

How LA0473 compares

▼ 0.2
Load rating vs Louisiana average (32.3 t)
Bottom 43%
Lower load rating than 57% of Louisiana bridges
195
Bridges in Sabine · 21 in Poor condition
LA0473 32.1 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
46.2 / 100 - historical 20–49.9 band
Structural adequacy /55
14.9
Serviceability /30
21.0
Essentiality /15
10.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
3/9
Poor (1–4)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1986
Material
Prestressed Concrete Continuous
Number of Spans
17
Structure Length
259.7 m (852 ft)
Deck Width
10.1 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
738 vehicles/day
Structure Number
084303570101601

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

LA0473 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 LA0473 against other structures in Sabine 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 LA0473?

LA0473 in Sabine, Louisiana has a deck rating of 6/9, superstructure rating of 3/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is LA0473 inspected?

LA0473'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 738 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0473 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 LA0473?

LA0473 has an NBI inventory load rating of 32.1 metric tons.

Who is responsible for maintaining LA0473?

LA0473 is owned and maintained by State Highway Agency.

How old is LA0473 and does age affect safety?

LA0473 was built in 1986, making it 40 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.