Missouri Ave
Carrying Missouri Ave over SR 51
SR 51 & Missouri Ave, Maricopa, Arizona
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Missouri Ave
The Missouri Ave bridge in Maricopa, Arizona carries Missouri Ave over SR 51. It was built in 1988, making it 38 years old today. The structure is built primarily of prestressed concrete continuous. Daily traffic averages 166,392 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. All reported major components score above the Poor range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Missouri Ave 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 How the historical reference is calculated.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
- 1988
- Material
- Prestressed Concrete Continuous
- Avg Daily Traffic
- 166,392 vehicles/day
- Structure Number
- 02425
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 Missouri Ave 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 Missouri Ave 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 Missouri Ave?
Missouri Ave in Maricopa, Arizona on the FHWA's 0–9 scale.
How often is Missouri Ave inspected?
Missouri Ave'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 166,392 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Missouri Ave 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 Missouri Ave?
An inventory load rating is not recorded for Missouri Ave.
Who is responsible for maintaining Missouri Ave?
Ownership is not specified for Missouri Ave in the NBI.
How old is Missouri Ave and does age affect safety?
Missouri Ave 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.
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.