Thunderbird Road
Carrying Thunderbird Road over SR 101L
1 mi N of Cactus Rd, Maricopa, Arizona
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Thunderbird Road
The Thunderbird Road bridge in Maricopa, Arizona carries Thunderbird Road over SR 101L. It was built in 2000, making it 26 years old today. The structure is built primarily of prestressed concrete continuous. Daily traffic averages 131,900 vehicles, placing it in the heavily-trafficked tier of Arizona bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Thunderbird Road compares
Live comparison across Arizona.
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 How the historical reference is calculated.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
- 2000
- Material
- Prestressed Concrete Continuous
- Avg Daily Traffic
- 131,900 vehicles/day
- Structure Number
- 02504
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether Thunderbird 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 Thunderbird Road against other structures in Maricopa and across Arizona. Arizona 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 Thunderbird Road?
Thunderbird Road in Maricopa, Arizona on the FHWA's 0–9 scale.
How often is Thunderbird Road inspected?
Thunderbird 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 131,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Thunderbird Road is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for Thunderbird Road?
An inventory load rating is not recorded for Thunderbird Road.
Who is responsible for maintaining Thunderbird Road?
Ownership is not specified for Thunderbird Road in the NBI.
How old is Thunderbird Road and does age affect safety?
Thunderbird Road was built in 2000, making it 26 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.