NFA A407
Carrying NFA A407 over COSBY CREEK
E OF SR73-SR32 JCT-COSBY, Cocke, Tennessee
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
NFA A407 in Cocke, Tennessee sits above 8% of rated Tennessee bridges on inventory load rating (21 t), while its 1984 build year is earlier than 36% of Cocke's recorded-year cohort (190 bridges).
NFA A407 in Cocke, Tennessee is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1984, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. 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 TN:150A4070001
LATE-CENTURY · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard 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: NFA A407
The NFA A407 bridge in Cocke, Tennessee carries NFA A407 over COSBY CREEK. It was built in 1984, making it 42 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 1,370 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert 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.
How NFA A407 compares
Age against the county: built in 1984, earlier than 69 of Cocke's 190 bridges with a recorded construction year (36%), against a county median build year of 1978. This is one of the newer structures in its county.
Live comparison across Tennessee bridges with a recorded inventory load rating (20,355 of 20,379 rated).
NFA A407 vs every rated Tennessee bridge
Inventory load rating (metric tons), FHWA NBI, this state
21 Top 92% higher than 8% of 20,355 bridges
rated Tennessee 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.
Cocke inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 190 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
- 1984
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 10.1 m (33 ft)
- Deck Width
- 8.6 m (28 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,370 vehicles/day
- Structure Number
- 150A4070001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
NFA A407 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 NFA A407 against other structures in Cocke and across Tennessee. Tennessee 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 NFA A407?
NFA A407 in Cocke, Tennessee on the FHWA's 0–9 scale.
How often is NFA A407 inspected?
NFA A407'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 1,370 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NFA A407 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 NFA A407?
NFA A407 has an NBI inventory load rating of 20.7 metric tons.
Who is responsible for maintaining NFA A407?
NFA A407 is owned and maintained by County Highway Agency.
How old is NFA A407 and does age affect safety?
NFA A407 was built in 1984, making it 42 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.
Share this inspection record
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.