FHWA NBI 2024 Inspection record Public-domain dataset

COMMON ST

Carrying COMMON ST over DRAINAGE CANAL

0.4 MI. N. OF 12TH ST., Calcasieu, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
39 t Inventory load rating

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. Its NBI inventory load rating is 39.2 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How COMMON ST compares

▲ 6.9
Load rating vs Louisiana average (32.3 t)
Top 24%
Higher load rating than 76% of Louisiana bridges
463
Bridges in Calcasieu · 32 in Poor condition
COMMON ST 39.2 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
69.5 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
28.0
Essentiality /15
14.5
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
4/9
Poor (1–4)
Inventory Load Rating
39.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

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

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.