IRR BIA ROUTE N39
Carrying IRR BIA ROUTE N39 over KINLICHEE WASH
IN TOWN OF KINLICHEE, Apache, Arizona
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
IRR BIA ROUTE N39 in Apache, Arizona sits above 44% of rated Arizona bridges on inventory load rating (37 t), while its 2014 build year is earlier than 6% of Apache's recorded-year cohort (259 bridges).
IRR BIA ROUTE N39 in Apache, Arizona is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2014, it carries 3 rated components 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:00000000000N631
POST-2000 · PRESTRESS · SINGLE-SPAN · DECK-LED · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- DECK-LED Deck-led
- LOCAL-ADT Local 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.
Structural health score
A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.
Bridge Snapshot: IRR BIA ROUTE N39
The IRR BIA ROUTE N39 bridge in Apache, Arizona carries IRR BIA ROUTE N39 over KINLICHEE WASH. It was built in 2014, making it 12 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 31.0 meters (102 feet) end to end. Daily traffic averages 500 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 places the weakest component in good condition (see the full component ratings below). No reported major component scores in the Poor range under the current federal condition thresholds.
How IRR BIA ROUTE N39 compares
Age against the county: built in 2014, earlier than 16 of Apache's 259 bridges with a recorded construction year (6%), against a county median build year of 1970. This is one of the newer structures in its county.
Live comparison across Arizona bridges with a recorded inventory load rating (8,572 of 8,573 rated).
IRR BIA ROUTE N39 vs every rated Arizona bridge
Inventory load rating (metric tons), FHWA NBI, this state
37 Top 56% higher than 44% 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
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.
Apache inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 259 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
- 2014
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 31.0 m (102 ft)
- Deck Width
- 10.7 m (35 ft)
- Owner
- Bureau of Indian Affairs
- Avg Daily Traffic
- 500 vehicles/day
- Structure Number
- 00000000000N631
Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether IRR BIA ROUTE N39 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 N39 against other structures in Apache 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 N39?
IRR BIA ROUTE N39 in Apache, Arizona has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is IRR BIA ROUTE N39 inspected?
IRR BIA ROUTE N39'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 500 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 N39 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 IRR BIA ROUTE N39?
IRR BIA ROUTE N39 has an NBI inventory load rating of 36.9 metric tons.
Who is responsible for maintaining IRR BIA ROUTE N39?
IRR BIA ROUTE N39 is owned and maintained by Bureau of Indian Affairs.
How old is IRR BIA ROUTE N39 and does age affect safety?
IRR BIA ROUTE N39 was built in 2014, making it 12 years old.
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.
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.