FHWA NBI 2024 Inspection record Public-domain dataset

Dobbins Rd

Carrying Dobbins Rd over SR202L S Mntn Fwy

7mi S of I-10 & S Mtn Fwy, Maricopa, Arizona

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
40 t Inventory load rating Higher than 58% of rated Arizona bridges

Dobbins Rd in Maricopa, Arizona sits above 58% of rated Arizona bridges on inventory load rating (40 t), while its 2019 build year is earlier than 2% of Maricopa's recorded-year cohort (2,847 bridges).

Dobbins Rd in Maricopa, Arizona is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2019, 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:20136

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

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard 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: Dobbins Rd

The Dobbins Rd bridge in Maricopa, Arizona carries Dobbins Rd over SR202L S Mntn Fwy. It was built in 2019, making it 7 years old today. The structure is built primarily of prestressed concrete continuous and spans 2 sections, stretching 65.5 meters (215 feet) end to end. Daily traffic averages 69,624 vehicles, placing it in the heavily-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 Dobbins Rd compares

▼ 7.6
Load rating vs Arizona average (47.5 t; 8,572 of 8,573 rated)
2,847
Bridges in Maricopa · 4 in Poor condition

Age against the county: built in 2019, earlier than 49 of Maricopa's 2,847 bridges with a recorded construction year (2%), against a county median build year of 1991. This is one of the newer structures in its county.

Dobbins Rd 39.9 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).

Dobbins Rd vs every rated Arizona bridge

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

40 Top 42% higher than 58% 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
39.9 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.

Maricopa inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 2,847 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
2019
Material
Prestressed Concrete Continuous
Number of Spans
2
Structure Length
65.5 m (215 ft)
Deck Width
44.6 m (146 ft)
Owner
State Highway Agency
Avg Daily Traffic
69,624 vehicles/day
Structure Number
20136

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether Dobbins Rd 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 Dobbins Rd 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 Dobbins Rd?

Dobbins Rd in Maricopa, 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 Dobbins Rd inspected?

Dobbins Rd'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 69,624 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Dobbins Rd 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 Dobbins Rd?

Dobbins Rd has an NBI inventory load rating of 39.9 metric tons.

Who is responsible for maintaining Dobbins Rd?

Dobbins Rd is owned and maintained by State Highway Agency.

How old is Dobbins Rd and does age affect safety?

Dobbins Rd was built in 2019, making it 7 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

Share this inspection record

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.