FHWA NBI 2024 Inspection record Public-domain dataset

KIRKMAN ST

Carrying KIRKMAN ST over CONTRABAND BAYOU

0.25 MI N OF LA 3186, Calcasieu, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: KIRKMAN ST

The KIRKMAN ST bridge in Calcasieu, Louisiana carries KIRKMAN ST over CONTRABAND BAYOU. It was built in 1964, making it 62 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 29.0 meters (95 feet) end to end. Daily traffic averages 6,090 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 a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 19.4 metric tons.

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

How KIRKMAN ST compares

▼ 12.9
Load rating vs Louisiana average (32.3 t)
Bottom 16%
Lower load rating than 84% of Louisiana bridges
463
Bridges in Calcasieu · 32 in Poor condition
KIRKMAN ST 19.4 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
53.5 / 100 - historical 50–79.9 band
Structural adequacy /55
14.7
Serviceability /30
25.0
Essentiality /15
13.8
Special reductions
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 How the historical reference is calculated.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

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
19.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1964
Material
Concrete
Number of Spans
5
Structure Length
29.0 m (95 ft)
Deck Width
12.9 m (42 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
6,090 vehicles/day
Structure Number
071030108931261

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

KIRKMAN 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 KIRKMAN 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 KIRKMAN ST?

KIRKMAN ST in Calcasieu, Louisiana has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is KIRKMAN ST inspected?

KIRKMAN 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 6,090 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. KIRKMAN 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 KIRKMAN ST?

KIRKMAN ST has an NBI inventory load rating of 19.4 metric tons.

Who is responsible for maintaining KIRKMAN ST?

KIRKMAN ST is owned and maintained by City/Municipal Highway Agency.

How old is KIRKMAN ST and does age affect safety?

KIRKMAN ST was built in 1964, making it 62 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.