FAU 3599 350044P
Carrying FAU 3599 350044P over NORFOLK SOUTHERN RR
IN CHATTANOOGA, Hamilton, Tennessee
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FAU 3599 350044P
The FAU 3599 350044P bridge in Hamilton, Tennessee carries FAU 3599 350044P over NORFOLK SOUTHERN RR. It was built in 1955, making it 71 years old today. The structure is built primarily of steel and spans 2 sections, stretching 75.9 meters (249 feet) end to end. Daily traffic averages 4,753 vehicles, placing it in the moderately-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 5/9, superstructure at 4/9, substructure at 5/9. 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 12.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FAU 3599 350044P compares
Live comparison across Tennessee.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1955
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 75.9 m (249 ft)
- Deck Width
- 16.6 m (54 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 4,753 vehicles/day
- Structure Number
- 33M35990001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
How to read this record
FAU 3599 350044P 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 FAU 3599 350044P 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 3599 350044P?
FAU 3599 350044P in Hamilton, Tennessee has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is FAU 3599 350044P inspected?
FAU 3599 350044P'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 4,753 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FAU 3599 350044P 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 FAU 3599 350044P?
FAU 3599 350044P has an NBI inventory load rating of 12.0 metric tons.
Who is responsible for maintaining FAU 3599 350044P?
FAU 3599 350044P is owned and maintained by City/Municipal Highway Agency.
How old is FAU 3599 350044P and does age affect safety?
FAU 3599 350044P was built in 1955, making it 71 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.
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.