FHWA NBI 2024 Inspection record Public-domain dataset

Williams Dr

Carrying Williams Dr over Wash

0.35 mi E of Deer Valley, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
65 t Inventory load rating

Bridge Snapshot: Williams Dr

The Williams Dr bridge in Maricopa, Arizona carries Williams Dr over Wash. It was built in 1995, making it 31 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 1,827 vehicles, placing it in the moderately-trafficked tier of Arizona bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert 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 64.7 metric tons.

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

How Williams Dr compares

▲ 17.3
Load rating vs Arizona average (47.4 t)
Top 24%
Higher load rating than 76% of Arizona bridges
2,203
Bridges in Maricopa · 3 in Poor condition
Williams Dr 64.7 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
99.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
64.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1995
Material
Concrete Continuous
Number of Spans
3
Structure Length
9.8 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,827 vehicles/day
Structure Number
11361

How to read this record

This page shows what the last federal inspection recorded, not whether Williams Dr 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 Dr 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 Dr?

Williams Dr in Maricopa, Arizona on the FHWA's 0–9 scale.

How often is Williams Dr inspected?

Williams Dr'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 1,827 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Williams Dr 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 Dr?

Williams Dr has an NBI inventory load rating of 64.7 metric tons.

Who is responsible for maintaining Williams Dr?

Williams Dr is owned and maintained by County Highway Agency.

How old is Williams Dr and does age affect safety?

Williams Dr was built in 1995, making it 31 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.