FHWA NBI 2024 Inspection record Public-domain dataset

IRR BIA RTE N332

Carrying IRR BIA RTE N332 over BLACK HORSE CREEK

6.8MI N 2.8M E COVE CH HS, Apache, Arizona

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating Lower than 79% of rated Arizona bridges

IRR BIA RTE N332 in Apache, Arizona is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1996, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:00000000000N251

LATE-CENTURY · STEEL · SINGLE-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUB-LED Substructure-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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.

C-
Overall Score
54/100
IRR BIA RTE N332
Deck Condition C-
7/9
NBI deck condition rating (0=failed, 9=excellent)
Superstructure Condition A+
8/9
NBI superstructure condition rating (0=failed, 9=excellent)
Substructure Condition F
6/9
NBI substructure condition rating (0=failed, 9=excellent)
Load Rating D
33 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: IRR BIA RTE N332

The IRR BIA RTE N332 bridge in Apache, Arizona carries IRR BIA RTE N332 over BLACK HORSE CREEK. It was built in 1996, making it 30 years old today. The structure is built primarily of steel and spans 1 section, stretching 24.4 meters (80 feet) end to end. Daily traffic averages 50 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 fair condition (see the full component ratings below). All reported major components score above the Poor range.

How IRR BIA RTE N332 compares

▼ 14.9
Load rating vs Arizona average (47.5 t; 8,572 of 8,573 rated)
259
Bridges in Apache · 15 in Poor condition

Age against the county: built in 1996, earlier than 42 of Apache's 259 bridges with a recorded construction year (16%), against a county median build year of 1970. This is one of the newer structures in its county.

IRR BIA RTE N332 32.6 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).

IRR BIA RTE N332 vs every rated Arizona bridge

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

33 Top 79% higher than 21% 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

Deck
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
32.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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
1996
Material
Steel
Number of Spans
1
Structure Length
24.4 m (80 ft)
Deck Width
7.9 m (26 ft)
Owner
Bureau of Indian Affairs
Avg Daily Traffic
50 vehicles/day
Structure Number
00000000000N251

Condition Analysis

  • • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether IRR BIA RTE N332 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 RTE N332 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 RTE N332?

IRR BIA RTE N332 in Apache, Arizona has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is IRR BIA RTE N332 inspected?

IRR BIA RTE N332'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 50 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 N332 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 RTE N332?

IRR BIA RTE N332 has an NBI inventory load rating of 32.6 metric tons.

Who is responsible for maintaining IRR BIA RTE N332?

IRR BIA RTE N332 is owned and maintained by Bureau of Indian Affairs.

How old is IRR BIA RTE N332 and does age affect safety?

IRR BIA RTE N332 was built in 1996, making it 30 years old.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details.

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.

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.

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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.