FHWA NBI 2024 Inspection record Public-domain dataset

Loop 101 & Ramps

Carrying Loop 101 & Ramps over 101 Drain Channel

7.74 mi N Jct I-10, Maricopa, Arizona

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
74 t Inventory load rating Higher than 80% of rated Arizona bridges

Loop 101 & Ramps in Maricopa, Arizona sits above 80% of rated Arizona bridges on inventory load rating (74 t), while its 1987 build year is earlier than 63% of Maricopa's recorded-year cohort (2,847 bridges).

Loop 101 & Ramps in Maricopa, Arizona is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1987, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. 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:06825

LATE-CENTURY · CONCRETE · LONG-SPAN-RUN · CULVERT-LED · HEAVY-ADT · HEAVY-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • LONG-SPAN-RUN 8 spans
  • CULVERT-LED Culvert-led
  • HEAVY-ADT Heavy 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: Loop 101 & Ramps

The Loop 101 & Ramps bridge in Maricopa, Arizona carries Loop 101 & Ramps over 101 Drain Channel. It was built in 1987, making it 39 years old today. The structure is built primarily of concrete continuous and spans 8 sections, stretching 31.7 meters (104 feet) end to end. Daily traffic averages 131,758 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 culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How Loop 101 & Ramps compares

▲ 26.9
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 1987, earlier than 1,784 of Maricopa's 2,847 bridges with a recorded construction year (63%), against a county median build year of 1991. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

Loop 101 & Ramps 74.4 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).

Loop 101 & Ramps vs every rated Arizona bridge

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

74 Top 20% higher than 80% 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

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

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

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
1987
Material
Concrete Continuous
Number of Spans
8
Structure Length
31.7 m (104 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
131,758 vehicles/day
Structure Number
06825

How to read this record

This page shows what the last federal inspection recorded, not whether Loop 101 & Ramps 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 Loop 101 & Ramps 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 Loop 101 & Ramps?

Loop 101 & Ramps in Maricopa, Arizona on the FHWA's 0–9 scale.

How often is Loop 101 & Ramps inspected?

Loop 101 & Ramps'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 131,758 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Loop 101 & Ramps 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 Loop 101 & Ramps?

Loop 101 & Ramps has an NBI inventory load rating of 74.4 metric tons.

Who is responsible for maintaining Loop 101 & Ramps?

Loop 101 & Ramps is owned and maintained by State Highway Agency.

How old is Loop 101 & Ramps and does age affect safety?

Loop 101 & Ramps was built in 1987, making it 39 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.