CO. ROAD 3221
Carrying CO. ROAD 3221 over RELIEF FOR ZILPHA CREEK
SEC 9 T16N R 7E B, Attala, Mississippi
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
CO. ROAD 3221 in Attala, Mississippi sits above 1% of rated Mississippi bridges on inventory load rating (0 t), while its 1970 build year is earlier than 65% of Attala's recorded-year cohort (228 bridges).
CO. ROAD 3221 in Attala, Mississippi is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 2. 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 MS:SA0400000000146
INTERSTATE-ERA · TIMBER · MULTI-SPAN · SUB-LED · LOCAL-ADT · TRACE-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- TIMBER Wood or timber
- MULTI-SPAN 2 spans
- SUB-LED Substructure-led
- 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. ROAD 3221
The CO. ROAD 3221 bridge in Attala, Mississippi carries CO. ROAD 3221 over RELIEF FOR ZILPHA CREEK. It was built in 1970, making it 56 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 60 vehicles, placing it in the lower-traffic tier of Mississippi bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 3/9, substructure at 2/9. The weakest component sits in critical condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How CO. ROAD 3221 compares
Age against the county: built in 1970, earlier than 149 of Attala's 228 bridges with a recorded construction year (65%), against a county median build year of 1990. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Mississippi bridges with a recorded inventory load rating (16,739 rated).
CO. ROAD 3221 vs every rated Mississippi bridge
Inventory load rating (metric tons), FHWA NBI, this state
0 Top 99% higher than 1% of 16,739 bridges
rated Mississippi 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
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.
Attala inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 228 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
- 1970
- Material
- Wood or Timber
- Number of Spans
- 2
- Structure Length
- 9.4 m (31 ft)
- Deck Width
- 4.9 m (16 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 60 vehicles/day
- Structure Number
- SA0400000000146
Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • At 3/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
- • The substructure (piers and abutments) rates critical at 2/9, with severe deterioration on the latest inspection.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
CO. ROAD 3221 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. ROAD 3221 against other structures in Attala and across Mississippi. Mississippi 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. ROAD 3221?
CO. ROAD 3221 in Attala, Mississippi has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.
How often is CO. ROAD 3221 inspected?
CO. ROAD 3221'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 60 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CO. ROAD 3221 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. ROAD 3221?
CO. ROAD 3221 has an NBI inventory load rating of 0.0 metric tons.
Who is responsible for maintaining CO. ROAD 3221?
CO. ROAD 3221 is owned and maintained by County Highway Agency.
How old is CO. ROAD 3221 and does age affect safety?
CO. ROAD 3221 was built in 1970, making it 56 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.
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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.
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.