FHWA NBI 2024 Inspection record Public-domain dataset

Iron Springs Road

Carrying Iron Springs Road over Unnamed Wash

4.3 mi NW Jct SR 89, Yavapai, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
44 t Inventory load rating

Bridge Snapshot: Iron Springs Road

The Iron Springs Road bridge in Yavapai, Arizona carries Iron Springs Road over Unnamed Wash. It was built in 1937, making it 89 years old today. It was last reconstructed in 1977, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 5,425 vehicles, placing it in the moderately-trafficked 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 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 43.5 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How Iron Springs Road compares

▼ 3.9
Load rating vs Arizona average (47.4 t)
Top 36%
Higher load rating than 64% of Arizona bridges
343
Bridges in Yavapai · 2 in Poor condition
Iron Springs Road 43.5 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
79.3 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
0.0
Special reductions
−3.7

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1937
Last Reconstructed
1977
Material
Concrete
Number of Spans
2
Structure Length
10.1 m (33 ft)
Deck Width
10.9 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
5,425 vehicles/day
Structure Number
09114

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether Iron Springs 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 Iron Springs Road against other structures in Yavapai 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 Iron Springs Road?

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

How often is Iron Springs Road inspected?

Iron Springs 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 5,425 vehicles per day.

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

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

Iron Springs Road has an NBI inventory load rating of 43.5 metric tons.

Who is responsible for maintaining Iron Springs Road?

Iron Springs Road is owned and maintained by County Highway Agency.

How old is Iron Springs Road and does age affect safety?

Iron Springs Road was built in 1937, making it 89 years old and last reconstructed in 1977.

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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.