LA3046
Carrying LA3046 over R/R CITY STREETS LA 611
.4 MI NORTH OF US 90, Jefferson, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
LA3046 in Jefferson, Louisiana sits above 35% of rated Louisiana bridges on inventory load rating (28 t), while its 1957 build year is earlier than 94% of Jefferson's recorded-year cohort (379 bridges).
LA3046 in Jefferson, Louisiana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1957, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor 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:022604230100481
INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · SUPER-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- LONG-SPAN-RUN 42 spans
- SUPER-LED Superstructure-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
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: LA3046
The LA3046 bridge in Jefferson, Louisiana carries LA3046 over R/R CITY STREETS LA 611. It was built in 1957, making it 69 years old today. The structure is built primarily of steel and spans 42 sections, stretching 707.7 meters (2322 feet) end to end. Daily traffic averages 55,994 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 5/9, superstructure at 3/9, substructure at 7/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How LA3046 compares
Age against the county: built in 1957, earlier than 357 of Jefferson's 379 bridges with a recorded construction year (94%), against a county median build year of 1983. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Louisiana bridges with a recorded inventory load rating (12,682 of 12,698 rated).
LA3046 vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
28 Top 65% higher than 35% 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
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.
Jefferson inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 379 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
- 1957
- Material
- Steel
- Number of Spans
- 42
- Structure Length
- 707.7 m (2322 ft)
- Deck Width
- 20.1 m (66 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 55,994 vehicles/day
- Structure Number
- 022604230100481
Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
LA3046 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 LA3046 against other structures in Jefferson 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 LA3046?
LA3046 in Jefferson, Louisiana has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is LA3046 inspected?
LA3046'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 55,994 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LA3046 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 LA3046?
LA3046 has an NBI inventory load rating of 28.2 metric tons.
Who is responsible for maintaining LA3046?
LA3046 is owned and maintained by State Highway Agency.
How old is LA3046 and does age affect safety?
LA3046 was built in 1957, making it 69 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
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.