FHWA NBI 2024 Inspection record Public-domain dataset

Big Tree Road

Carrying Big Tree Road over Nova Canal

SR-5A - Big Tree Rd, Volusia, Florida

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: Big Tree Road

The Big Tree Road bridge in Volusia, Florida carries Big Tree Road over Nova Canal. It was built in 1988, making it 38 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 13,500 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 culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 45.4 metric tons.

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

How Big Tree Road compares

▲ 6.5
Load rating vs Florida average (38.9 t)
Top 24%
Higher load rating than 76% of Florida bridges
238
Bridges in Volusia · 5 in Poor condition
Big Tree Road 45.4 t
Florida average 38.9 t

Live comparison across Florida.

Historical Sufficiency Rating

PlainBridge-computed
98.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.7
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
45.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1988
Material
Concrete
Number of Spans
3
Structure Length
9.4 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
13,500 vehicles/day
Structure Number
794154

How to read this record

This page shows what the last federal inspection recorded, not whether Big Tree Road 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 Big Tree Road against other structures in Volusia 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 Big Tree Road?

Big Tree Road in Volusia, Florida on the FHWA's 0–9 scale.

How often is Big Tree Road inspected?

Big Tree Road'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 13,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Big Tree Road 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 Big Tree Road?

Big Tree Road has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining Big Tree Road?

Big Tree Road is owned and maintained by State Highway Agency.

How old is Big Tree Road and does age affect safety?

Big Tree Road was built in 1988, making it 38 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.