NFA A307
Carrying NFA A307 over BRANCH
OLD DICKERSON PK@UNION RD, Davidson, Tennessee
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
NFA A307 in Davidson, Tennessee sits above 7% of rated Tennessee bridges on inventory load rating (20 t), while its 1985 build year is earlier than 28% of Davidson's recorded-year cohort (832 bridges).
NFA A307 in Davidson, Tennessee is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1985, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:190C8360003
LATE-CENTURY · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · LIGHT-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- LIGHT-LOAD Light load
- CAT-GOOD Good
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 A307
The NFA A307 bridge in Davidson, Tennessee carries NFA A307 over BRANCH. It was built in 1985, making it 41 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 1,920 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How NFA A307 compares
Age against the county: built in 1985, earlier than 235 of Davidson's 832 bridges with a recorded construction year (28%), against a county median build year of 1971. 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 A307 vs every rated Tennessee bridge
Inventory load rating (metric tons), FHWA NBI, this state
20 Top 93% higher than 7% 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.
Davidson inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 832 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
- 1985
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 6.7 m (22 ft) 0
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 1,920 vehicles/day
- Structure Number
- 190C8360003
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether NFA A307 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 NFA A307 against other structures in Davidson 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 A307?
NFA A307 in Davidson, Tennessee on the FHWA's 0–9 scale.
How often is NFA A307 inspected?
NFA A307'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 1,920 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NFA A307 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for NFA A307?
NFA A307 has an NBI inventory load rating of 19.8 metric tons.
Who is responsible for maintaining NFA A307?
NFA A307 is owned and maintained by City/Municipal Highway Agency.
How old is NFA A307 and does age affect safety?
NFA A307 was built in 1985, making it 41 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.