FHWA NBI 2024 Inspection record Public-domain dataset

Columbia Rd

Carrying Columbia Rd over LITTLE CORNEY CREEK TRIB

3.44 M EAST OF LA 521, Claiborne, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
75 t Inventory load rating

Bridge Snapshot: Columbia Rd

The Columbia Rd bridge in Claiborne, Louisiana carries Columbia Rd over LITTLE CORNEY CREEK TRIB. It was built in 1990, making it 36 years old today. The structure is built primarily of steel and spans 9 sections, stretching 21.0 meters (69 feet) end to end. Daily traffic averages 250 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 74.5 metric tons.

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

How Columbia Rd compares

▲ 42.2
Load rating vs Louisiana average (32.3 t)
Top 3%
Higher load rating than 97% of Louisiana bridges
148
Bridges in Claiborne · 37 in Poor condition
Columbia Rd 74.5 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
84.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
14.7
Essentiality /15
14.9
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
74.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1990
Material
Steel
Number of Spans
9
Structure Length
21.0 m (69 ft)
Deck Width
13.4 m (44 ft)
Owner
County Highway Agency
Avg Daily Traffic
250 vehicles/day
Structure Number
041433010931001

How to read this record

This page shows what the last federal inspection recorded, not whether Columbia Rd 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 Columbia Rd against other structures in Claiborne 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 Columbia Rd?

Columbia Rd in Claiborne, Louisiana on the FHWA's 0–9 scale.

How often is Columbia Rd inspected?

Columbia Rd'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 250 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Columbia Rd 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 Columbia Rd?

Columbia Rd has an NBI inventory load rating of 74.5 metric tons.

Who is responsible for maintaining Columbia Rd?

Columbia Rd is owned and maintained by County Highway Agency.

How old is Columbia Rd and does age affect safety?

Columbia Rd was built in 1990, making it 36 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.