FHWA NBI 2024 Inspection record Public-domain dataset

McDowell Road

Carrying McDowell Road over Loop 303

0.13 mi N of I-10, Mohave, Arizona

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
56 t Inventory load rating Higher than 74% of rated Arizona bridges

McDowell Road in Mohave, Arizona sits above 74% of rated Arizona bridges on inventory load rating (56 t), while its 2013 build year is earlier than 3% of Mohave's recorded-year cohort (641 bridges).

McDowell Road in Mohave, Arizona is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2013, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure AZ:02985

POST-2000 · PRESTRESS · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: McDowell Road

The McDowell Road bridge in Mohave, Arizona carries McDowell Road over Loop 303. It was built in 2013, making it 13 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 108.8 meters (357 feet) end to end. Daily traffic averages 6,591 vehicles, placing it in the moderately-trafficked tier of Arizona bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How McDowell Road compares

▲ 8.7
Load rating vs Arizona average (47.5 t; 8,572 of 8,573 rated)
641
Bridges in Mohave · 4 in Poor condition

Age against the county: built in 2013, earlier than 21 of Mohave's 641 bridges with a recorded construction year (3%), against a county median build year of 1973. This is one of the newer structures in its county.

McDowell Road 56.2 t
Arizona average (8,572 of 8,573 rated) 47.5 t

Live comparison across Arizona bridges with a recorded inventory load rating (8,572 of 8,573 rated).

McDowell Road vs every rated Arizona bridge

Inventory load rating (metric tons), FHWA NBI, this state

56 Top 26% higher than 74% of 8,572 bridges

rated Arizona bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
56.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Mohave inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 641 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
2013
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
108.8 m (357 ft)
Deck Width
38.5 m (126 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,591 vehicles/day
Structure Number
02985

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether McDowell Road 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 McDowell Road 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 McDowell Road?

McDowell Road in Mohave, Arizona has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is McDowell Road inspected?

McDowell Road'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 6,591 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. McDowell Road 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 McDowell Road?

McDowell Road has an NBI inventory load rating of 56.2 metric tons.

Who is responsible for maintaining McDowell Road?

McDowell Road is owned and maintained by State Highway Agency.

How old is McDowell Road and does age affect safety?

McDowell Road was built in 2013, making it 13 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.