FHWA NBI 2024 Inspection record Public-domain dataset

SR 88

Carrying SR 88 over Ash Creek

25.3 mi SW Jct SR 188, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
74 t Inventory load rating

Bridge Snapshot: SR 88

The SR 88 bridge in Maricopa, Arizona carries SR 88 over Ash Creek. It was built in 1961, making it 65 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 229 vehicles, placing it in the lower-traffic tier of Arizona bridges. It is owned and maintained by State 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. Its NBI inventory load rating is 73.5 metric tons.

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

How SR 88 compares

▲ 26.1
Load rating vs Arizona average (47.4 t)
Top 21%
Higher load rating than 79% of Arizona bridges
2,203
Bridges in Maricopa · 3 in Poor condition
SR 88 73.5 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
93.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.3
Special reductions
−5.0

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 How the historical reference is calculated.

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
73.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1961
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.3 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
229 vehicles/day
Structure Number
04685

How to read this record

This page shows what the last federal inspection recorded, not whether SR 88 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 SR 88 against other structures in Maricopa 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 SR 88?

SR 88 in Maricopa, Arizona on the FHWA's 0–9 scale.

How often is SR 88 inspected?

SR 88'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 229 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 88 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 SR 88?

SR 88 has an NBI inventory load rating of 73.5 metric tons.

Who is responsible for maintaining SR 88?

SR 88 is owned and maintained by State Highway Agency.

How old is SR 88 and does age affect safety?

SR 88 was built in 1961, making it 65 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.