FHWA NBI 2024 Inspection record Public-domain dataset

16TH STREET

Carrying 16TH STREET over DREAMY DRAW WASH

16th St S Of Northern Ave, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
39 t Inventory load rating

Bridge Snapshot: 16TH STREET

The 16TH STREET bridge in Maricopa, Arizona carries 16TH STREET over DREAMY DRAW WASH. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.4 meters (24 feet) end to end. Daily traffic averages 22,253 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 culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 39.2 metric tons.

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

How 16TH STREET compares

▼ 8.2
Load rating vs Arizona average (47.4 t)
Top 41%
Higher load rating than 59% of Arizona bridges
2,203
Bridges in Maricopa · 3 in Poor condition
16TH STREET 39.2 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
78.7 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
8.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
39.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1972
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.4 m (24 ft)
Deck Width
29.3 m (96 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
22,253 vehicles/day
Structure Number
09194

How to read this record

This page shows what the last federal inspection recorded, not whether 16TH STREET 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 16TH STREET 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 16TH STREET?

16TH STREET in Maricopa, Arizona on the FHWA's 0–9 scale.

How often is 16TH STREET inspected?

16TH STREET'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 22,253 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 16TH STREET is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 16TH STREET?

16TH STREET has an NBI inventory load rating of 39.2 metric tons.

Who is responsible for maintaining 16TH STREET?

16TH STREET is owned and maintained by City/Municipal Highway Agency.

How old is 16TH STREET and does age affect safety?

16TH STREET was built in 1972, making it 54 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.