FHWA NBI 2024 Inspection record Public-domain dataset

LA0070

Carrying LA0070 over BAYOU NAPOLEON

0.8 M SW of LA 3127, Assumption, Louisiana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
44 t Inventory load rating Higher than 87% of rated Louisiana bridges

LA0070 in Assumption, Louisiana sits above 87% of rated Louisiana bridges on inventory load rating (44 t), while its 1972 build year is earlier than 72% of Assumption's recorded-year cohort (68 bridges).

LA0070 in Assumption, Louisiana is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1972, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure LA:610402323006611

INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · TIED-CTRL · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • LONG-SPAN-RUN 4 spans
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: LA0070

The LA0070 bridge in Assumption, Louisiana carries LA0070 over BAYOU NAPOLEON. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 24.4 meters (80 feet) end to end. Daily traffic averages 11,166 vehicles, placing it in the heavily-trafficked 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 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How LA0070 compares

▲ 11.3
Load rating vs Louisiana average (32.2 t; 12,682 of 12,698 rated)
68
Bridges in Assumption · 7 in Poor condition

Age against the county: built in 1972, earlier than 49 of Assumption's 68 bridges with a recorded construction year (72%), against a county median build year of 1977. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

LA0070 43.5 t
Louisiana average (12,682 of 12,698 rated) 32.2 t

Live comparison across Louisiana bridges with a recorded inventory load rating (12,682 of 12,698 rated).

LA0070 vs every rated Louisiana bridge

Inventory load rating (metric tons), FHWA NBI, this state

44 Top 13% higher than 87% of 12,682 bridges

rated Louisiana bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
43.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Assumption inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 68 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1972
Material
Concrete
Number of Spans
4
Structure Length
24.4 m (80 ft)
Deck Width
14.5 m (48 ft)
Owner
State Highway Agency
Avg Daily Traffic
11,166 vehicles/day
Structure Number
610402323006611

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether LA0070 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 LA0070 against other structures in Assumption 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 LA0070?

LA0070 in Assumption, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is LA0070 inspected?

LA0070'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 11,166 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LA0070 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for LA0070?

LA0070 has an NBI inventory load rating of 43.5 metric tons.

Who is responsible for maintaining LA0070?

LA0070 is owned and maintained by State Highway Agency.

How old is LA0070 and does age affect safety?

LA0070 was built in 1972, making it 54 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.