S. Westport Dr.
Carrying S. Westport Dr. over Drainage Canal
1.38 Mi. E. of LA 415, West Baton Rouge, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
S. Westport Dr. in West Baton Rouge, Louisiana sits above 97% of rated Louisiana bridges on inventory load rating (61 t), while its 1970 build year is earlier than 30% of West Baton Rouge's recorded-year cohort (73 bridges).
S. Westport Dr. in West Baton Rouge, Louisiana is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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:616100000616103
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial 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: S. Westport Dr.
The S. Westport Dr. bridge in West Baton Rouge, Louisiana carries S. Westport Dr. over Drainage Canal. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 3,500 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 culvert at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How S. Westport Dr. compares
Age against the county: built in 1970, earlier than 22 of West Baton Rouge's 73 bridges with a recorded construction year (30%), against a county median build year of 1968. This is one of the newer structures in its county.
Live comparison across Louisiana bridges with a recorded inventory load rating (12,682 of 12,698 rated).
S. Westport Dr. vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
61 Top 3% higher than 97% 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.
West Baton Rouge inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 73 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
- 1970
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 8.5 m (28 ft)
- Deck Width
- 27.4 m (90 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 3,500 vehicles/day
- Structure Number
- 616100000616103
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 S. Westport Dr. 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 S. Westport Dr. against other structures in West Baton Rouge 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 S. Westport Dr.?
S. Westport Dr. in West Baton Rouge, Louisiana on the FHWA's 0–9 scale.
How often is S. Westport Dr. inspected?
S. Westport Dr.'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 3,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. S. Westport Dr. 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 S. Westport Dr.?
S. Westport Dr. has an NBI inventory load rating of 61.2 metric tons.
Who is responsible for maintaining S. Westport Dr.?
S. Westport Dr. is owned and maintained by County Highway Agency.
How old is S. Westport Dr. and does age affect safety?
S. Westport Dr. 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.
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.