FHWA NBI 2024 Inspection record Public-domain dataset

ALLISON & WINROW

Carrying ALLISON & WINROW over SOLDIER CREEK

BLDG 14490, Cochise, Arizona

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
33 t Inventory load rating Lower than 78% of rated Arizona bridges

ALLISON & WINROW in Cochise, Arizona sits above 22% of rated Arizona bridges on inventory load rating (33 t), while its 1986 build year is earlier than 8% of Cochise's recorded-year cohort (501 bridges).

ALLISON & WINROW in Cochise, Arizona is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1986, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:DAPTRAHUA000005

LATE-CENTURY · CONCRETE · LONG-SPAN-RUN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • LONG-SPAN-RUN 5 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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: ALLISON & WINROW

The ALLISON & WINROW bridge in Cochise, Arizona carries ALLISON & WINROW over SOLDIER CREEK. It was built in 1986, making it 40 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 20.6 meters (68 feet) end to end. Daily traffic averages 1,500 vehicles, placing it in the moderately-trafficked tier of Arizona bridges. It is owned and maintained by NASA.

The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.

How ALLISON & WINROW compares

▼ 14.8
Load rating vs Arizona average (47.5 t; 8,572 of 8,573 rated)
501
Bridges in Cochise · 11 in Poor condition

Age against the county: built in 1986, earlier than 40 of Cochise's 501 bridges with a recorded construction year (8%), against a county median build year of 1959. This is one of the newer structures in its county.

ALLISON & WINROW 32.7 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).

ALLISON & WINROW vs every rated Arizona bridge

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

33 Top 78% higher than 22% 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
4/9
Poor (1–4)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Cochise inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 501 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
1986
Material
Concrete
Number of Spans
5
Structure Length
20.6 m (68 ft)
0
Owner
NASA
Avg Daily Traffic
1,500 vehicles/day
Structure Number
DAPTRAHUA000005

How to read this record

ALLISON & WINROW is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare ALLISON & WINROW against other structures in Cochise 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 ALLISON & WINROW?

ALLISON & WINROW in Cochise, Arizona on the FHWA's 0–9 scale.

How often is ALLISON & WINROW inspected?

ALLISON & WINROW'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 1,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ALLISON & WINROW is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for ALLISON & WINROW?

ALLISON & WINROW has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining ALLISON & WINROW?

ALLISON & WINROW is owned and maintained by NASA.

How old is ALLISON & WINROW and does age affect safety?

ALLISON & WINROW was built in 1986, making it 40 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.