FHWA NBI 2024 Inspection record Public-domain dataset

NFA B846

Carrying NFA B846 over WHITTEMORE BRANCH

IN NASHVILLE, Davidson, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: NFA B846

The NFA B846 bridge in Davidson, Tennessee carries NFA B846 over WHITTEMORE BRANCH. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 600 vehicles, placing it in the lower-traffic tier of Tennessee bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 16.2 metric tons.

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

How NFA B846 compares

▼ 13.3
Load rating vs Tennessee average (29.5 t)
Bottom 3%
Lower load rating than 97% of Tennessee bridges
836
Bridges in Davidson · 26 in Poor condition
NFA B846 16.2 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
50.6 / 100 - historical 50–79.9 band
Structural adequacy /55
8.8
Serviceability /30
27.0
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1970
Material
Concrete Continuous
Number of Spans
2
Structure Length
8.2 m (27 ft)
Deck Width
13.2 m (43 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
600 vehicles/day
Structure Number
190E2790001

How to read this record

NFA B846 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 B846 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 B846?

NFA B846 in Davidson, Tennessee on the FHWA's 0–9 scale.

How often is NFA B846 inspected?

NFA B846'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 600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA B846 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 B846?

NFA B846 has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining NFA B846?

NFA B846 is owned and maintained by City/Municipal Highway Agency.

How old is NFA B846 and does age affect safety?

NFA B846 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.

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.