FHWA NBI 2024 Inspection record Public-domain dataset

Shea Boulevard

Carrying Shea Boulevard over Indian Bend Wash

0.52 mi E of 52nd Street, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: Shea Boulevard

The Shea Boulevard bridge in Maricopa, Arizona carries Shea Boulevard over Indian Bend Wash. It was built in 1976, making it 50 years old today. The structure is built primarily of concrete continuous and spans 7 sections, stretching 80.5 meters (264 feet) end to end. Daily traffic averages 37,601 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 4/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 32.0 metric tons.

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

How Shea Boulevard compares

▼ 15.4
Load rating vs Arizona average (47.4 t)
Bottom 23%
Lower load rating than 77% of Arizona bridges
2,203
Bridges in Maricopa · 3 in Poor condition
Shea Boulevard 32.0 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
37.9 / 100 - historical 20–49.9 band
Structural adequacy /55
29.9
Serviceability /30
8.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
32.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1976
Material
Concrete Continuous
Number of Spans
7
Structure Length
80.5 m (264 ft)
Deck Width
26.4 m (87 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
37,601 vehicles/day
Structure Number
09476

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

Shea Boulevard is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare Shea Boulevard 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 Shea Boulevard?

Shea Boulevard in Maricopa, Arizona has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is Shea Boulevard inspected?

Shea Boulevard'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 37,601 vehicles per day.

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

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

What is the inventory load rating for Shea Boulevard?

Shea Boulevard has an NBI inventory load rating of 32.0 metric tons.

Who is responsible for maintaining Shea Boulevard?

Shea Boulevard is owned and maintained by City/Municipal Highway Agency.

How old is Shea Boulevard and does age affect safety?

Shea Boulevard was built in 1976, making it 50 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.