FHWA NBI 2024 Inspection record Public-domain dataset

83rd Avenue

Carrying 83rd Avenue over Grand Canal

at Bethany Home Road, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: 83rd Avenue

The 83rd Avenue bridge in Maricopa, Arizona carries 83rd Avenue over Grand Canal. It was built in 1974, making it 52 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 17,321 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 5/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 29.0 metric tons.

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

How 83rd Avenue compares

▼ 18.4
Load rating vs Arizona average (47.4 t)
Bottom 12%
Lower load rating than 88% of Arizona bridges
2,203
Bridges in Maricopa · 3 in Poor condition
83rd Avenue 29.0 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
92.7 / 100 - historical 80–100 band
Structural adequacy /55
53.0
Serviceability /30
29.0
Essentiality /15
10.8
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 How the historical reference is calculated.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

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
29.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1974
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
36.5 m (120 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
17,321 vehicles/day
Structure Number
09443

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether 83rd Avenue 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 83rd Avenue 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 83rd Avenue?

83rd Avenue in Maricopa, Arizona has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is 83rd Avenue inspected?

83rd Avenue'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 17,321 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 83rd Avenue 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 83rd Avenue?

83rd Avenue has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining 83rd Avenue?

83rd Avenue is owned and maintained by City/Municipal Highway Agency.

How old is 83rd Avenue and does age affect safety?

83rd Avenue was built in 1974, making it 52 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.