FHWA NBI 2024 Inspection record Public-domain dataset

Bronco Butte Trail

Carrying Bronco Butte Trail over Dry Wash

EO 16th Ave, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
65 t Inventory load rating

Bridge Snapshot: Bronco Butte Trail

The Bronco Butte Trail bridge in Maricopa, Arizona carries Bronco Butte Trail over Dry Wash. It was built in 2006, making it 20 years old today. The structure is built primarily of concrete continuous and spans 10 sections, stretching 30.2 meters (99 feet) end to end. Daily traffic averages 455 vehicles, placing it in the lower-traffic 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 65.3 metric tons.

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

How Bronco Butte Trail compares

▲ 17.9
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
Bronco Butte Trail 65.3 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
65.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2006
Material
Concrete Continuous
Number of Spans
10
Structure Length
30.2 m (99 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
455 vehicles/day
Structure Number
11169

How to read this record

This page shows what the last federal inspection recorded, not whether Bronco Butte Trail 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 Bronco Butte Trail 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 Bronco Butte Trail?

Bronco Butte Trail in Maricopa, Arizona on the FHWA's 0–9 scale.

How often is Bronco Butte Trail inspected?

Bronco Butte Trail'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 455 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Bronco Butte Trail 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 Bronco Butte Trail?

Bronco Butte Trail has an NBI inventory load rating of 65.3 metric tons.

Who is responsible for maintaining Bronco Butte Trail?

Bronco Butte Trail is owned and maintained by City/Municipal Highway Agency.

How old is Bronco Butte Trail and does age affect safety?

Bronco Butte Trail was built in 2006, making it 20 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.