FHWA NBI 2024 Inspection record Public-domain dataset

FAU 5403

Carrying FAU 5403 over CSX & NORFOLK SOU RR

IN CHATTANOOGA, Hamilton, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: FAU 5403

The FAU 5403 bridge in Hamilton, Tennessee carries FAU 5403 over CSX & NORFOLK SOU RR. It was built in 1996, making it 30 years old today. The structure is built primarily of prestressed concrete continuous and spans 8 sections, stretching 196.6 meters (645 feet) end to end. Daily traffic averages 10,403 vehicles, placing it in the heavily-trafficked tier of Tennessee bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 30.1 metric tons.

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

How FAU 5403 compares

▲ 0.6
Load rating vs Tennessee average (29.5 t)
Bottom 36%
Lower load rating than 64% of Tennessee bridges
464
Bridges in Hamilton · 23 in Poor condition
FAU 5403 30.1 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
52.1 / 100 - historical 50–79.9 band
Structural adequacy /55
43.9
Serviceability /30
8.0
Essentiality /15
2.2
Special reductions
−2.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
30.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1996
Material
Prestressed Concrete Continuous
Number of Spans
8
Structure Length
196.6 m (645 ft)
Deck Width
18.3 m (60 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
10,403 vehicles/day
Structure Number
33SR0023001

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether FAU 5403 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 FAU 5403 against other structures in Hamilton 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 FAU 5403?

FAU 5403 in Hamilton, Tennessee has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is FAU 5403 inspected?

FAU 5403'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 10,403 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FAU 5403 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 FAU 5403?

FAU 5403 has an NBI inventory load rating of 30.1 metric tons.

Who is responsible for maintaining FAU 5403?

FAU 5403 is owned and maintained by City/Municipal Highway Agency.

How old is FAU 5403 and does age affect safety?

FAU 5403 was built in 1996, making it 30 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.