Williams Field Rd
Carrying Williams Field Rd over E Maricopa Fldwy
500' E/ Power Rd, Maricopa, Arizona
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Williams Field Rd
The Williams Field Rd bridge in Maricopa, Arizona carries Williams Field Rd over E Maricopa Fldwy. It was built in 1981, making it 45 years old today. It was last reconstructed in 2014, extending its service life. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 31.1 meters (102 feet) end to end. Daily traffic averages 10,294 vehicles, placing it in the heavily-trafficked tier of Arizona bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 34.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Williams Field Rd 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 How the historical reference is calculated.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
- 1981
- Last Reconstructed
- 2014
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 31.1 m (102 ft)
- Deck Width
- 36.8 m (121 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 10,294 vehicles/day
- Structure Number
- 08644
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether Williams Field Rd 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 Williams Field Rd 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 Williams Field Rd?
Williams Field Rd in Maricopa, Arizona has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is Williams Field Rd inspected?
Williams Field Rd'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 10,294 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Williams Field Rd 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 Williams Field Rd?
Williams Field Rd has an NBI inventory load rating of 34.5 metric tons.
Who is responsible for maintaining Williams Field Rd?
Williams Field Rd is owned and maintained by City/Municipal Highway Agency.
How old is Williams Field Rd and does age affect safety?
Williams Field Rd was built in 1981, making it 45 years old and last reconstructed in 2014.
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.