WESTSIDE BLVD
Carrying WESTSIDE BLVD over TERREBONNE BAYOU
0.1 MI. E. OF LA 24, Terrebonne, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
WESTSIDE BLVD in Terrebonne, Louisiana sits above 20% of rated Louisiana bridges on inventory load rating (21 t), while its 1974 build year is earlier than 63% of Terrebonne's recorded-year cohort (215 bridges).
WESTSIDE BLVD in Terrebonne, Louisiana is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1974, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:025500000203920
INTERSTATE-ERA · CONCRETE · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- LONG-SPAN-RUN 4 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
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: WESTSIDE BLVD
The WESTSIDE BLVD bridge in Terrebonne, Louisiana carries WESTSIDE BLVD over TERREBONNE BAYOU. It was built in 1974, making it 52 years old today. It was last reconstructed in 2014, extending its service life. The structure is built primarily of concrete and spans 4 sections, stretching 23.2 meters (76 feet) end to end. Daily traffic averages 5,322 vehicles, placing it in the moderately-trafficked 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 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How WESTSIDE BLVD compares
Age against the county: built in 1974, earlier than 135 of Terrebonne's 215 bridges with a recorded construction year (63%), against a county median build year of 1981. 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).
WESTSIDE BLVD vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
21 Top 80% higher than 20% 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.
Terrebonne inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 215 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
- 1974
- Last Reconstructed
- 2014
- Material
- Concrete
- Number of Spans
- 4
- Structure Length
- 23.2 m (76 ft)
- Deck Width
- 18.6 m (61 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 5,322 vehicles/day
- Structure Number
- 025500000203920
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) rates good at 7/9, with no significant deterioration on file.
- • 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
This page shows what the last federal inspection recorded, not whether WESTSIDE BLVD 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 WESTSIDE BLVD against other structures in Terrebonne 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 WESTSIDE BLVD?
WESTSIDE BLVD in Terrebonne, Louisiana has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is WESTSIDE BLVD inspected?
WESTSIDE BLVD'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 5,322 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WESTSIDE BLVD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for WESTSIDE BLVD?
WESTSIDE BLVD has an NBI inventory load rating of 21.4 metric tons.
Who is responsible for maintaining WESTSIDE BLVD?
WESTSIDE BLVD is owned and maintained by County Highway Agency.
How old is WESTSIDE BLVD and does age affect safety?
WESTSIDE BLVD was built in 1974, making it 52 years old and last reconstructed in 2014.
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.