Ironwood Hill Dr
Carrying Ironwood Hill Dr over Wash
0.4 mi W of Silverbell Rd, Pima, Arizona
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Ironwood Hill Dr in Pima, Arizona sits above 80% of rated Arizona bridges on inventory load rating (74 t), while its 1986 build year is earlier than 37% of Pima's recorded-year cohort (1,150 bridges).
Ironwood Hill Dr in Pima, Arizona is rated Good 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 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:09942
LATE-CENTURY · CONCRETE · LONG-SPAN-RUN · CULVERT-LED · HEAVY-ADT · HEAVY-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- CONCRETE Concrete
- LONG-SPAN-RUN 9 spans
- CULVERT-LED Culvert-led
- HEAVY-ADT Heavy ADT
- HEAVY-LOAD Heavy 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.
Bridge Snapshot: Ironwood Hill Dr
The Ironwood Hill Dr bridge in Pima, Arizona carries Ironwood Hill Dr over Wash. It was built in 1986, making it 40 years old today. The structure is built primarily of concrete continuous and spans 9 sections, stretching 41.8 meters (137 feet) end to end. Daily traffic averages 14,533 vehicles, placing it in the heavily-trafficked tier of Arizona bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How Ironwood Hill Dr compares
Age against the county: built in 1986, earlier than 423 of Pima's 1,150 bridges with a recorded construction year (37%), against a county median build year of 1981. 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).
Ironwood Hill Dr vs every rated Arizona bridge
Inventory load rating (metric tons), FHWA NBI, this state
74 Top 20% higher than 80% 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.
Pima inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 1,150 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 Continuous
- Number of Spans
- 9
- Structure Length
- 41.8 m (137 ft) 0
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 14,533 vehicles/day
- Structure Number
- 09942
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 Ironwood Hill Dr 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 Ironwood Hill Dr against other structures in Pima 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 Ironwood Hill Dr?
Ironwood Hill Dr in Pima, Arizona on the FHWA's 0–9 scale.
How often is Ironwood Hill Dr inspected?
Ironwood Hill Dr'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 14,533 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Ironwood Hill Dr 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 Ironwood Hill Dr?
Ironwood Hill Dr has an NBI inventory load rating of 74.4 metric tons.
Who is responsible for maintaining Ironwood Hill Dr?
Ironwood Hill Dr is owned and maintained by City/Municipal Highway Agency.
How old is Ironwood Hill Dr and does age affect safety?
Ironwood Hill Dr 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.
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.