Old Dixie Highway
Carrying Old Dixie Highway over CANAL-17
0.7MI N of Northlake Blvd, Palm Beach, Florida
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Old Dixie Highway
The Old Dixie Highway bridge in Palm Beach, Florida carries Old Dixie Highway over CANAL-17. It was built in 1986, making it 40 years old today. The structure is built primarily of prestressed concrete and spans 4 sections, stretching 52.4 meters (172 feet) end to end. Daily traffic averages 20,500 vehicles, placing it in the heavily-trafficked tier of Florida bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 7/9. 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 29.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Old Dixie Highway compares
Live comparison across Florida.
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 How the historical reference is calculated.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
- 1986
- Material
- Prestressed Concrete
- Number of Spans
- 4
- Structure Length
- 52.4 m (172 ft)
- Deck Width
- 34.4 m (113 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 20,500 vehicles/day
- Structure Number
- 930359
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 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether Old Dixie Highway 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 Old Dixie Highway against other structures in Palm Beach and across Florida. Florida 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 Old Dixie Highway?
Old Dixie Highway in Palm Beach, Florida has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is Old Dixie Highway inspected?
Old Dixie Highway'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 20,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Old Dixie Highway 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 Old Dixie Highway?
Old Dixie Highway has an NBI inventory load rating of 29.4 metric tons.
Who is responsible for maintaining Old Dixie Highway?
Old Dixie Highway is owned and maintained by State Highway Agency.
How old is Old Dixie Highway and does age affect safety?
Old Dixie Highway was built in 1986, making it 40 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.