NFA 1615 (SA 3508)
Carrying NFA 1615 (SA 3508) over OVERFLOW
4 MI W OF MCNAIRY CO., Hardeman, Tennessee
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: NFA 1615 (SA 3508)
The NFA 1615 (SA 3508) bridge in Hardeman, Tennessee carries NFA 1615 (SA 3508) over OVERFLOW. It was built in 1994, making it 32 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 14.9 meters (49 feet) end to end. Daily traffic averages 202 vehicles, placing it in the lower-traffic tier of Tennessee bridges. It is owned and maintained by County 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. Its NBI inventory load rating is 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How NFA 1615 (SA 3508) compares
Live comparison across Tennessee.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1994
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 14.9 m (49 ft)
- Deck Width
- 9.6 m (31 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 202 vehicles/day
- Structure Number
- 35016150005
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 1615 (SA 3508) 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 1615 (SA 3508) against other structures in Hardeman 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 1615 (SA 3508)?
NFA 1615 (SA 3508) in Hardeman, Tennessee on the FHWA's 0–9 scale.
How often is NFA 1615 (SA 3508) inspected?
NFA 1615 (SA 3508)'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 202 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NFA 1615 (SA 3508) 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 1615 (SA 3508)?
NFA 1615 (SA 3508) has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining NFA 1615 (SA 3508)?
NFA 1615 (SA 3508) is owned and maintained by County Highway Agency.
How old is NFA 1615 (SA 3508) and does age affect safety?
NFA 1615 (SA 3508) was built in 1994, making it 32 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.
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.