FHWA NBI 2024 Inspection record Public-domain dataset

Road 4 North

Carrying Road 4 North over Chino Valley Wash

3.3 mi W Jct SR 89, Yavapai, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
52 t Inventory load rating

Bridge Snapshot: Road 4 North

The Road 4 North bridge in Yavapai, Arizona carries Road 4 North over Chino Valley Wash. It was built in 1987, making it 39 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 24.7 meters (81 feet) end to end. Daily traffic averages 1,350 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 51.7 metric tons.

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

How Road 4 North compares

▲ 4.3
Load rating vs Arizona average (47.4 t)
Top 29%
Higher load rating than 71% of Arizona bridges
343
Bridges in Yavapai · 2 in Poor condition
Road 4 North 51.7 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
90.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
20.9
Essentiality /15
14.4
Special reductions
0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
51.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1987
Material
Concrete Continuous
Number of Spans
3
Structure Length
24.7 m (81 ft)
Deck Width
10.1 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,350 vehicles/day
Structure Number
08950

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether Road 4 North 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 Road 4 North 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 Road 4 North?

Road 4 North in Yavapai, Arizona has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is Road 4 North inspected?

Road 4 North'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 1,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Road 4 North 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 Road 4 North?

Road 4 North has an NBI inventory load rating of 51.7 metric tons.

Who is responsible for maintaining Road 4 North?

Road 4 North is owned and maintained by County Highway Agency.

How old is Road 4 North and does age affect safety?

Road 4 North was built in 1987, making it 39 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

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.