FHWA NBI 2024 Inspection record Public-domain dataset

NFA 910 (SA 4308)

Carrying NFA 910 (SA 4308) over TRACE CREEK

0.5 M.E.SR13-IN WAVERLY, Humphreys, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
23 t Inventory load rating

Bridge Snapshot: NFA 910 (SA 4308)

The NFA 910 (SA 4308) bridge in Humphreys, Tennessee carries NFA 910 (SA 4308) over TRACE CREEK. It was built in 1960, making it 66 years old today. The structure is built primarily of concrete continuous and spans 6 sections, stretching 29.3 meters (96 feet) end to end. Daily traffic averages 8,736 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 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 23.3 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How NFA 910 (SA 4308) compares

▼ 6.2
Load rating vs Tennessee average (29.5 t)
Bottom 13%
Lower load rating than 87% of Tennessee bridges
250
Bridges in Humphreys · 18 in Poor condition
NFA 910 (SA 4308) 23.3 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
52.0 / 100 - historical 50–79.9 band
Structural adequacy /55
36.1
Serviceability /30
10.0
Essentiality /15
9.0
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
5/9
Fair (5–6)
Inventory Load Rating
23.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1960
Material
Concrete Continuous
Number of Spans
6
Structure Length
29.3 m (96 ft)
Deck Width
9.2 m (30 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
8,736 vehicles/day
Structure Number
43S62210001

How to read this record

This page shows what the last federal inspection recorded, not whether NFA 910 (SA 4308) 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 910 (SA 4308) against other structures in Humphreys 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 910 (SA 4308)?

NFA 910 (SA 4308) in Humphreys, Tennessee on the FHWA's 0–9 scale.

How often is NFA 910 (SA 4308) inspected?

NFA 910 (SA 4308)'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 8,736 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA 910 (SA 4308) is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NFA 910 (SA 4308)?

NFA 910 (SA 4308) has an NBI inventory load rating of 23.3 metric tons.

Who is responsible for maintaining NFA 910 (SA 4308)?

NFA 910 (SA 4308) is owned and maintained by City/Municipal Highway Agency.

How old is NFA 910 (SA 4308) and does age affect safety?

NFA 910 (SA 4308) was built in 1960, making it 66 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

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.