FHWA NBI 2024 Inspection record Public-domain dataset

IRR BIA RTE 9

Carrying IRR BIA RTE 9 over WHITE RIVER

6.1 MI S. OF AZ HWY 73, Gila, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
9 t Inventory load rating

Bridge Snapshot: IRR BIA RTE 9

The IRR BIA RTE 9 bridge in Gila, Arizona carries IRR BIA RTE 9 over WHITE RIVER. It was built in 1934, making it 92 years old today. It was last reconstructed in 1983, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 31.6 meters (104 feet) end to end. Daily traffic averages 20 vehicles, placing it in the lower-traffic tier of Arizona bridges. It is owned and maintained by Bureau of Indian Affairs.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 8.8 metric tons.

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

How IRR BIA RTE 9 compares

▼ 38.6
Load rating vs Arizona average (47.4 t)
Bottom 1%
Lower load rating than 99% of Arizona bridges
139
Bridges in Gila · 6 in Poor condition
IRR BIA RTE 9 8.8 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
0.0 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
0.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
8.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1934
Last Reconstructed
1983
Material
Steel
Number of Spans
1
Structure Length
31.6 m (104 ft)
Deck Width
4.9 m (16 ft)
Owner
Bureau of Indian Affairs
Avg Daily Traffic
20 vehicles/day
Structure Number
00000000000H056

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

IRR BIA RTE 9 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare IRR BIA RTE 9 against other structures in Gila 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 BIA RTE 9?

IRR BIA RTE 9 in Gila, Arizona has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is IRR BIA RTE 9 inspected?

IRR BIA RTE 9'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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR BIA RTE 9 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for IRR BIA RTE 9?

IRR BIA RTE 9 has an NBI inventory load rating of 8.8 metric tons.

Who is responsible for maintaining IRR BIA RTE 9?

IRR BIA RTE 9 is owned and maintained by Bureau of Indian Affairs.

How old is IRR BIA RTE 9 and does age affect safety?

IRR BIA RTE 9 was built in 1934, making it 92 years old and last reconstructed in 1983.

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.