Thompson Peak Pkwy
Carrying Thompson Peak Pkwy over Wash
0.5 mi E Jct Pima Rd, Maricopa, Arizona
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Thompson Peak Pkwy
The Thompson Peak Pkwy bridge in Maricopa, Arizona carries Thompson Peak Pkwy over Wash. It was built in 1997, making it 29 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 4,100 vehicles, placing it in the moderately-trafficked tier of Arizona bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 89.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Thompson Peak Pkwy 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 How the historical reference is calculated.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
- 1997
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 8.5 m (28 ft)
- Deck Width
- 16.6 m (54 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 4,100 vehicles/day
- Structure Number
- 10483
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 Thompson Peak Pkwy 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 Thompson Peak Pkwy 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 Thompson Peak Pkwy?
Thompson Peak Pkwy in Maricopa, Arizona on the FHWA's 0–9 scale.
How often is Thompson Peak Pkwy inspected?
Thompson Peak Pkwy'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 4,100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Thompson Peak Pkwy 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 Thompson Peak Pkwy?
Thompson Peak Pkwy has an NBI inventory load rating of 89.8 metric tons.
Who is responsible for maintaining Thompson Peak Pkwy?
Thompson Peak Pkwy is owned and maintained by City/Municipal Highway Agency.
How old is Thompson Peak Pkwy and does age affect safety?
Thompson Peak Pkwy was built in 1997, making it 29 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.