FHWA NBI 2024 Inspection record Public-domain dataset

Woodruff Road

Carrying Woodruff Road over Little Colorado River

5.3 mi E Jct SR 77, Navajo, Arizona

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
13 t Inventory load rating Lower than 99% of rated Arizona bridges

Woodruff Road in Navajo, Arizona sits above 1% of rated Arizona bridges on inventory load rating (13 t), while its 1972 build year is earlier than 49% of Navajo's recorded-year cohort (277 bridges).

Woodruff Road in Navajo, Arizona is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1972, 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:09572

INTERSTATE-ERA · PRESTRESS · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · LIGHT-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light 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.

Bridge Snapshot: Woodruff Road

The Woodruff Road bridge in Navajo, Arizona carries Woodruff Road over Little Colorado River. It was built in 1972, making it 54 years old today. The structure is built primarily of prestressed concrete continuous and spans 2 sections, stretching 42.7 meters (140 feet) end to end. Daily traffic averages 250 vehicles, placing it in the lower-traffic tier of Arizona bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How Woodruff Road compares

▼ 34.8
Load rating vs Arizona average (47.5 t; 8,572 of 8,573 rated)
277
Bridges in Navajo · 6 in Poor condition

Age against the county: built in 1972, earlier than 137 of Navajo's 277 bridges with a recorded construction year (49%), against a county median build year of 1972.

Woodruff Road 12.7 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).

Woodruff Road vs every rated Arizona bridge

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

13 Top 99% higher than 1% 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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
12.7 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.

Navajo inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 277 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
1972
Material
Prestressed Concrete Continuous
Number of Spans
2
Structure Length
42.7 m (140 ft)
Deck Width
9.9 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
250 vehicles/day
Structure Number
09572

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 Woodruff Road 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 Woodruff Road 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 Woodruff Road?

Woodruff Road in Navajo, Arizona has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is Woodruff Road inspected?

Woodruff Road'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 250 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Woodruff Road 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 Woodruff Road?

Woodruff Road has an NBI inventory load rating of 12.7 metric tons.

Who is responsible for maintaining Woodruff Road?

Woodruff Road is owned and maintained by County Highway Agency.

How old is Woodruff Road and does age affect safety?

Woodruff Road was built in 1972, making it 54 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

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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.