FHWA NBI 2024 Inspection record Public-domain dataset

Cottonwood Wash Rd

Carrying Cottonwood Wash Rd over Cottonwood Wash

2.9 mi SW Jct 800 W, Graham, Arizona

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating Lower than 56% of rated Arizona bridges

Cottonwood Wash Rd in Graham, Arizona sits above 44% of rated Arizona bridges on inventory load rating (37 t), while its 1999 build year is earlier than 7% of Graham's recorded-year cohort (179 bridges).

Cottonwood Wash Rd in Graham, Arizona is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1999, it carries 1 rated component 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:10471

LATE-CENTURY · STEEL · LONG-SPAN-RUN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • LONG-SPAN-RUN 6 spans
  • CULVERT-LED Culvert-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.

Bridge Snapshot: Cottonwood Wash Rd

The Cottonwood Wash Rd bridge in Graham, Arizona carries Cottonwood Wash Rd over Cottonwood Wash. It was built in 1999, making it 27 years old today. The structure is built primarily of steel and spans 6 sections, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 600 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 culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How Cottonwood Wash Rd compares

▼ 10.3
Load rating vs Arizona average (47.5 t; 8,572 of 8,573 rated)
179
Bridges in Graham · 7 in Poor condition

Age against the county: built in 1999, earlier than 13 of Graham's 179 bridges with a recorded construction year (7%), against a county median build year of 1953. This is one of the newer structures in its county.

Cottonwood Wash Rd 37.2 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).

Cottonwood Wash Rd 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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
37.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Graham inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 179 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
1999
Material
Steel
Number of Spans
6
Structure Length
12.2 m (40 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
600 vehicles/day
Structure Number
10471

How to read this record

This page shows what the last federal inspection recorded, not whether Cottonwood Wash Rd 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 Cottonwood Wash Rd against other structures in Graham 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 Cottonwood Wash Rd?

Cottonwood Wash Rd in Graham, Arizona on the FHWA's 0–9 scale.

How often is Cottonwood Wash Rd inspected?

Cottonwood Wash Rd'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 600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Cottonwood Wash Rd 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 Cottonwood Wash Rd?

Cottonwood Wash Rd has an NBI inventory load rating of 37.2 metric tons.

Who is responsible for maintaining Cottonwood Wash Rd?

Cottonwood Wash Rd is owned and maintained by County Highway Agency.

How old is Cottonwood Wash Rd and does age affect safety?

Cottonwood Wash Rd was built in 1999, making it 27 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

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.

XFacebookLinkedInWhatsAppEmail

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.