COMMON ST
Carrying COMMON ST over DRAINAGE CANAL
0.4 MI. N. OF 12TH ST., Calcasieu, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
COMMON ST in Calcasieu, Louisiana sits above 76% of rated Louisiana bridges on inventory load rating (39 t), while its 1928 build year is earlier than 99% of Calcasieu's recorded-year cohort (463 bridges).
COMMON ST in Calcasieu, Louisiana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1928, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. 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:071030131931281
PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial 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: COMMON ST
The COMMON ST bridge in Calcasieu, Louisiana carries COMMON ST over DRAINAGE CANAL. It was built in 1928, making it 98 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 3,974 vehicles, placing it in the moderately-trafficked tier of Louisiana bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 4/9. 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 COMMON ST compares
Age against the county: built in 1928, earlier than 459 of Calcasieu's 463 bridges with a recorded construction year (99%), against a county median build year of 1979. 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).
COMMON ST vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
39 Top 24% higher than 76% 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.
Calcasieu inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 463 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
- 1928
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 10.7 m (35 ft)
- Deck Width
- 12.8 m (42 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 3,974 vehicles/day
- Structure Number
- 071030131931281
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
COMMON ST 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 COMMON ST against other structures in Calcasieu 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 COMMON ST?
COMMON ST in Calcasieu, Louisiana on the FHWA's 0–9 scale.
How often is COMMON ST inspected?
COMMON ST'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 3,974 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. COMMON ST 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 COMMON ST?
COMMON ST has an NBI inventory load rating of 39.2 metric tons.
Who is responsible for maintaining COMMON ST?
COMMON ST is owned and maintained by City/Municipal Highway Agency.
How old is COMMON ST and does age affect safety?
COMMON ST was built in 1928, making it 98 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.