IRR BIA ROUTE 12
Carrying IRR BIA ROUTE 12 over CIBECUE CREEK
IN VILLAGE OF CIBECUE, Navajo, Arizona
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: IRR BIA ROUTE 12
The IRR BIA ROUTE 12 bridge in Navajo, Arizona carries IRR BIA ROUTE 12 over CIBECUE CREEK. It was built in 1964, making it 62 years old today. It was last reconstructed in 1990, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 42.7 meters (140 feet) end to end. Daily traffic averages 1,000 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 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How IRR BIA ROUTE 12 compares
Live comparison across Arizona.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1964
- Last Reconstructed
- 1990
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 42.7 m (140 ft)
- Deck Width
- 11.9 m (39 ft)
- Owner
- Bureau of Indian Affairs
- Avg Daily Traffic
- 1,000 vehicles/day
- Structure Number
- 00000000000H061
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.
How to read this record
This page shows what the last federal inspection recorded, not whether IRR BIA ROUTE 12 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 BIA ROUTE 12 against other structures in Navajo 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 ROUTE 12?
IRR BIA ROUTE 12 in Navajo, Arizona has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is IRR BIA ROUTE 12 inspected?
IRR BIA ROUTE 12'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 1,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IRR BIA ROUTE 12 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for IRR BIA ROUTE 12?
IRR BIA ROUTE 12 has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining IRR BIA ROUTE 12?
IRR BIA ROUTE 12 is owned and maintained by Bureau of Indian Affairs.
How old is IRR BIA ROUTE 12 and does age affect safety?
IRR BIA ROUTE 12 was built in 1964, making it 62 years old and last reconstructed in 1990.
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.
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.