FHWA NBI 2024 Inspection record Public-domain dataset

CO.11

Carrying CO.11 over NORFOLK RAILROAD

0.3MI.N.WAVERLY, Chambers, Alabama

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
0 t Inventory load rating Lower than 99% of rated Alabama bridges

CO.11 in Chambers, Alabama sits above 1% of rated Alabama bridges on inventory load rating (0 t), while its 1946 build year is earlier than 86% of Chambers's recorded-year cohort (185 bridges).

CO.11 in Chambers, Alabama is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1946, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 0. 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 AL:002926

PRE-1950 · TIMBER · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · TRACE-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • TIMBER Wood or timber
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • TRACE-LOAD Trace 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: CO.11

The CO.11 bridge in Chambers, Alabama carries CO.11 over NORFOLK RAILROAD. It was built in 1946, making it 80 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 26.5 meters (87 feet) end to end. Daily traffic averages 298 vehicles, placing it in the lower-traffic tier of Alabama bridges. It is owned and maintained by Railroad.

The latest FHWA inspection records show a deck rating of 0/9, superstructure at 0/9, substructure at 0/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.

How CO.11 compares

▼ 37.6
Load rating vs Alabama average (37.6 t; 16,191 of 16,205 rated)
185
Bridges in Chambers · 15 in Poor condition

Age against the county: built in 1946, earlier than 159 of Chambers's 185 bridges with a recorded construction year (86%), against a county median build year of 1975. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

CO.11 0.0 t
Alabama average (16,191 of 16,205 rated) 37.6 t

Live comparison across Alabama bridges with a recorded inventory load rating (16,191 of 16,205 rated).

CO.11 vs every rated Alabama bridge

Inventory load rating (metric tons), FHWA NBI, this state

0 Top 99% higher than 1% of 16,191 bridges

rated Alabama 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

Deck
0/9
Failed (0)
Superstructure
0/9
Failed (0)
Substructure
0/9
Failed (0)
Inventory Load Rating
0.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Chambers inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 185 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
1946
Material
Wood or Timber
Number of Spans
1
Structure Length
26.5 m (87 ft)
Deck Width
6.1 m (20 ft)
Owner
Railroad
Avg Daily Traffic
298 vehicles/day
Structure Number
002926

Condition Analysis

  • The deck (driving surface) is in critical condition (0/9), with severe deterioration recorded on the inspecting agency's 0-9 scale.
  • At 0/9, the superstructure (beams and supports above the deck) is in critical shape, with severe wear recorded for this vintage.
  • The substructure (piers and abutments) rates critical at 0/9, with severe deterioration on the latest inspection.

How to read this record

CO.11 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 CO.11 against other structures in Chambers and across Alabama. Alabama 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 CO.11?

CO.11 in Chambers, Alabama has a deck rating of 0/9, superstructure rating of 0/9, and substructure rating of 0/9 on the FHWA's 0–9 scale.

How often is CO.11 inspected?

CO.11'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 298 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CO.11 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 CO.11?

CO.11 has an NBI inventory load rating of 0.0 metric tons.

Who is responsible for maintaining CO.11?

CO.11 is owned and maintained by Railroad.

How old is CO.11 and does age affect safety?

CO.11 was built in 1946, making it 80 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.