FHWA NBI 2024 Inspection record Public-domain dataset

NFA 4784 244009L

Carrying NFA 4784 244009L over CSX RAILROAD

S OF SR36 AT SULLIVAN CO, Washington, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: NFA 4784 244009L

The NFA 4784 244009L bridge in Washington, Tennessee carries NFA 4784 244009L over CSX RAILROAD. It was built in 1987, making it 39 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 45.6 meters (150 feet) end to end. Daily traffic averages 905 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 a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 28.5 metric tons.

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

How NFA 4784 244009L compares

▼ 1.0
Load rating vs Tennessee average (29.5 t)
Bottom 32%
Lower load rating than 68% of Tennessee bridges
284
Bridges in Washington · 7 in Poor condition
NFA 4784 244009L 28.5 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
82.8 / 100 - historical 80–100 band
Structural adequacy /55
52.5
Serviceability /30
15.5
Essentiality /15
14.8
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
28.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1987
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
45.6 m (150 ft)
Deck Width
8.5 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
905 vehicles/day
Structure Number
900A3370001

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether NFA 4784 244009L 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 4784 244009L against other structures in Washington 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 4784 244009L?

NFA 4784 244009L in Washington, Tennessee has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is NFA 4784 244009L inspected?

NFA 4784 244009L'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 905 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFA 4784 244009L 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 4784 244009L?

NFA 4784 244009L has an NBI inventory load rating of 28.5 metric tons.

Who is responsible for maintaining NFA 4784 244009L?

NFA 4784 244009L is owned and maintained by County Highway Agency.

How old is NFA 4784 244009L and does age affect safety?

NFA 4784 244009L was built in 1987, making it 39 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.