FHWA NBI 2024 Inspection record Public-domain dataset

LA0308

Carrying LA0308 over BAYOU LAFOURCHE

.01 MI NORTH OF LA 1, Lafourche, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
1 t Inventory load rating

Bridge Snapshot: LA0308

The LA0308 bridge in Lafourche, Louisiana carries LA0308 over BAYOU LAFOURCHE. It was built in 1970, making it 56 years old today. The structure is built primarily of steel and spans 1 section, stretching 62.2 meters (204 feet) end to end. Daily traffic averages 5,198 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 5/9, superstructure at 1/9, substructure at 6/9. The weakest component sits in critical condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 1.0 metric tons.

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

How LA0308 compares

▼ 31.3
Load rating vs Louisiana average (32.3 t)
Bottom 1%
Lower load rating than 99% of Louisiana bridges
130
Bridges in Lafourche · 21 in Poor condition
LA0308 1.0 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
8.0 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
8.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
1/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
1.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1970
Material
Steel
Number of Spans
1
Structure Length
62.2 m (204 ft)
Deck Width
11.7 m (38 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,198 vehicles/day
Structure Number
022904070100001

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 1/9, the superstructure (beams and supports above the deck) is in critical shape, with severe wear requiring urgent action.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

LA0308 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 LA0308 against other structures in Lafourche 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 LA0308?

LA0308 in Lafourche, Louisiana has a deck rating of 5/9, superstructure rating of 1/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is LA0308 inspected?

LA0308'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 5,198 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0308 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 LA0308?

LA0308 has an NBI inventory load rating of 1.0 metric tons.

Who is responsible for maintaining LA0308?

LA0308 is owned and maintained by State Highway Agency.

How old is LA0308 and does age affect safety?

LA0308 was built in 1970, making it 56 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.