FHWA NBI 2024 Inspection record Public-domain dataset

FAS 253 350343W

Carrying FAS 253 350343W over CSX RAILROAD

1.6 M E JCT SR6&SR253, Williamson, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
29 t Inventory load rating

Bridge Snapshot: FAS 253 350343W

The FAS 253 350343W bridge in Williamson, Tennessee carries FAS 253 350343W over CSX RAILROAD. It was built in 1999, making it 27 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 32.1 meters (105 feet) end to end. Daily traffic averages 31,907 vehicles, placing it in the heavily-trafficked tier of Tennessee bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 28.8 metric tons.

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

How FAS 253 350343W compares

▼ 0.7
Load rating vs Tennessee average (29.5 t)
Bottom 32%
Lower load rating than 68% of Tennessee bridges
524
Bridges in Williamson · 14 in Poor condition
FAS 253 350343W 28.8 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
79.4 / 100 - historical 50–79.9 band
Structural adequacy /55
52.8
Serviceability /30
22.7
Essentiality /15
4.9
Special reductions
−1.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
28.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1999
Material
Prestressed Concrete
Number of Spans
3
Structure Length
32.1 m (105 ft)
Deck Width
23.1 m (76 ft)
Owner
State Highway Agency
Avg Daily Traffic
31,907 vehicles/day
Structure Number
94SR2530005

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • 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 FAS 253 350343W 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 FAS 253 350343W against other structures in Williamson 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 253 350343W?

FAS 253 350343W in Williamson, Tennessee has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is FAS 253 350343W inspected?

FAS 253 350343W'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 31,907 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAS 253 350343W 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 FAS 253 350343W?

FAS 253 350343W has an NBI inventory load rating of 28.8 metric tons.

Who is responsible for maintaining FAS 253 350343W?

FAS 253 350343W is owned and maintained by State Highway Agency.

How old is FAS 253 350343W and does age affect safety?

FAS 253 350343W was built in 1999, making it 27 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.