FHWA NBI 2024 Inspection record Public-domain dataset

McCulloch Blvd

Carrying McCulloch Blvd over Lake Havasu Channel

0.04 mi W Jct SR 95, Mohave, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: McCulloch Blvd

The McCulloch Blvd bridge in Mohave, Arizona carries McCulloch Blvd over Lake Havasu Channel. It was built in 1971, making it 55 years old today. The structure is built primarily of concrete continuous and spans 5 sections, stretching 290.2 meters (952 feet) end to end. Daily traffic averages 8,699 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 a deck rating of 5/9, superstructure at 5/9, 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 24.5 metric tons.

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

How McCulloch Blvd compares

▼ 22.9
Load rating vs Arizona average (47.4 t)
Bottom 8%
Lower load rating than 92% of Arizona bridges
363
Bridges in Mohave · 2 in Poor condition
McCulloch Blvd 24.5 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
46.8 / 100 - historical 20–49.9 band
Structural adequacy /55
37.8
Serviceability /30
9.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1971
Material
Concrete Continuous
Number of Spans
5
Structure Length
290.2 m (952 ft)
Deck Width
16.2 m (53 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
8,699 vehicles/day
Structure Number
08630

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 5/9, 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 McCulloch Blvd 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 McCulloch Blvd against other structures in Mohave 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 McCulloch Blvd?

McCulloch Blvd in Mohave, Arizona has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is McCulloch Blvd inspected?

McCulloch Blvd'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 8,699 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. McCulloch Blvd 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 McCulloch Blvd?

McCulloch Blvd has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining McCulloch Blvd?

McCulloch Blvd is owned and maintained by City/Municipal Highway Agency.

How old is McCulloch Blvd and does age affect safety?

McCulloch Blvd was built in 1971, making it 55 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.