FHWA NBI 2024 Inspection record Public-domain dataset

IRR Gas Line Rd

Carrying IRR Gas Line Rd over I-10

7.5 mi NW Jct SR 187, Pinal, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: IRR Gas Line Rd

The IRR Gas Line Rd bridge in Pinal, Arizona carries IRR Gas Line Rd over I-10. It was built in 1967, making it 59 years old today. The structure is built primarily of steel continuous. Daily traffic averages 62,629 vehicles, placing it in the heavily-trafficked tier of Arizona bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.

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

How IRR Gas Line Rd compares

390
Bridges in Pinal · 6 in Poor condition

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
79.1 / 100 - historical 50–79.9 band
Structural adequacy /55
41.1
Serviceability /30
25.0
Essentiality /15
15.0
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

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

Structural Details

Year Built
1967
Material
Steel Continuous
Avg Daily Traffic
62,629 vehicles/day
Structure Number
01215

How to read this record

This page shows what the last federal inspection recorded, not whether IRR Gas Line 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 IRR Gas Line Rd against other structures in Pinal 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 IRR Gas Line Rd?

IRR Gas Line Rd in Pinal, Arizona on the FHWA's 0–9 scale.

How often is IRR Gas Line Rd inspected?

IRR Gas Line 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 62,629 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR Gas Line Rd is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for IRR Gas Line Rd?

An inventory load rating is not recorded for IRR Gas Line Rd.

Who is responsible for maintaining IRR Gas Line Rd?

Ownership is not specified for IRR Gas Line Rd in the NBI.

How old is IRR Gas Line Rd and does age affect safety?

IRR Gas Line Rd was built in 1967, making it 59 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.