FHWA NBI 2024 Inspection record Public-domain dataset

FAS 46

Carrying FAS 46 over BRANCH

4.3 MI.N.W.OF POND SWITCH, Dickson, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating

Bridge Snapshot: FAS 46

The FAS 46 bridge in Dickson, Tennessee carries FAS 46 over BRANCH. It was built in 1940, making it 86 years old today. The structure is built primarily of concrete and spans 1 section, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 2,242 vehicles, placing it in the moderately-trafficked tier of Tennessee bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 6/9. 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 24.3 metric tons.

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

How FAS 46 compares

▼ 5.2
Load rating vs Tennessee average (29.5 t)
Bottom 14%
Lower load rating than 86% of Tennessee bridges
243
Bridges in Dickson · 10 in Poor condition
FAS 46 24.3 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
43.2 / 100 - historical 20–49.9 band
Structural adequacy /55
22.5
Serviceability /30
8.0
Essentiality /15
12.7
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1940
Material
Concrete
Number of Spans
1
Structure Length
12.8 m (42 ft)
Deck Width
7.2 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,242 vehicles/day
Structure Number
22003430003

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

FAS 46 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 FAS 46 against other structures in Dickson 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 FAS 46?

FAS 46 in Dickson, Tennessee has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FAS 46 inspected?

FAS 46'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 2,242 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAS 46 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 FAS 46?

FAS 46 has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining FAS 46?

FAS 46 is owned and maintained by State Highway Agency.

How old is FAS 46 and does age affect safety?

FAS 46 was built in 1940, making it 86 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.