FHWA NBI 2024 Inspection record Public-domain dataset

Black Mountain Blv

Carrying Black Mountain Blv over Dry Wash

S of Mayo Blvd, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
48 t Inventory load rating

Bridge Snapshot: Black Mountain Blv

The Black Mountain Blv bridge in Maricopa, Arizona carries Black Mountain Blv over Dry Wash. It was built in 2006, making it 20 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 9,648 vehicles, placing it in the moderately-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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 48.2 metric tons.

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

How Black Mountain Blv compares

▲ 0.8
Load rating vs Arizona average (47.4 t)
Top 31%
Higher load rating than 69% of Arizona bridges
2,203
Bridges in Maricopa · 3 in Poor condition
Black Mountain Blv 48.2 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
81.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
11.0
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 How the historical reference is calculated.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
48.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2006
Material
Concrete Continuous
Number of Spans
4
Structure Length
15.2 m (50 ft)
Deck Width
24.1 m (79 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
9,648 vehicles/day
Structure Number
11355

How to read this record

This page shows what the last federal inspection recorded, not whether Black Mountain Blv 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 Black Mountain Blv 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 Black Mountain Blv?

Black Mountain Blv in Maricopa, Arizona on the FHWA's 0–9 scale.

How often is Black Mountain Blv inspected?

Black Mountain Blv'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 9,648 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Black Mountain Blv 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 Black Mountain Blv?

Black Mountain Blv has an NBI inventory load rating of 48.2 metric tons.

Who is responsible for maintaining Black Mountain Blv?

Black Mountain Blv is owned and maintained by City/Municipal Highway Agency.

How old is Black Mountain Blv and does age affect safety?

Black Mountain Blv 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.