FHWA NBI 2024 Inspection record Public-domain dataset

COTTONGIN CASTOR

Carrying COTTONGIN CASTOR over CASTOR CREEK

3.6 MI NE OF LA 26, Allen, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating

Bridge Snapshot: COTTONGIN CASTOR

The COTTONGIN CASTOR bridge in Allen, Louisiana carries COTTONGIN CASTOR over CASTOR CREEK. It was built in 1982, making it 44 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 23.2 meters (76 feet) end to end. Daily traffic averages 131 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 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 29.5 metric tons.

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

How COTTONGIN CASTOR compares

▼ 2.8
Load rating vs Louisiana average (32.3 t)
Bottom 39%
Lower load rating than 61% of Louisiana bridges
178
Bridges in Allen · 22 in Poor condition
COTTONGIN CASTOR 29.5 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
63.9 / 100 - historical 50–79.9 band
Structural adequacy /55
28.4
Serviceability /30
22.5
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.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
29.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1982
Material
Concrete
Number of Spans
4
Structure Length
23.2 m (76 ft)
Deck Width
8.3 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
131 vehicles/day
Structure Number
070230384924031

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

COTTONGIN CASTOR 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 COTTONGIN CASTOR against other structures in Allen 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 COTTONGIN CASTOR?

COTTONGIN CASTOR in Allen, 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 COTTONGIN CASTOR inspected?

COTTONGIN CASTOR'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 131 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COTTONGIN CASTOR 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 COTTONGIN CASTOR?

COTTONGIN CASTOR has an NBI inventory load rating of 29.5 metric tons.

Who is responsible for maintaining COTTONGIN CASTOR?

COTTONGIN CASTOR is owned and maintained by County Highway Agency.

How old is COTTONGIN CASTOR and does age affect safety?

COTTONGIN CASTOR was built in 1982, making it 44 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.