FHWA NBI 2024 Inspection record Public-domain dataset

100th St

Carrying 100th St over Channel

N of Via Linda, Maricopa, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: 100th St

The 100th St bridge in Maricopa, Arizona carries 100th St over Channel. It was built in 1983, making it 43 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 18,400 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. All reported major components score above the Poor range. Its NBI inventory load rating is 31.8 metric tons.

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

How 100th St compares

▼ 15.6
Load rating vs Arizona average (47.4 t)
Bottom 17%
Lower load rating than 83% of Arizona bridges
2,203
Bridges in Maricopa · 3 in Poor condition
100th St 31.8 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
80.8 / 100 - historical 80–100 band
Structural adequacy /55
54.8
Serviceability /30
16.0
Essentiality /15
12.9
Special reductions
−3.0

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 How the historical reference is calculated.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
31.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1983
Material
Concrete Continuous
Number of Spans
2
Structure Length
6.4 m (21 ft)
Deck Width
15.2 m (50 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
18,400 vehicles/day
Structure Number
11218

How to read this record

This page shows what the last federal inspection recorded, not whether 100th St 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 100th St 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 100th St?

100th St in Maricopa, Arizona on the FHWA's 0–9 scale.

How often is 100th St inspected?

100th St'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 18,400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 100th St 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 100th St?

100th St has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining 100th St?

100th St is owned and maintained by City/Municipal Highway Agency.

How old is 100th St and does age affect safety?

100th St was built in 1983, making it 43 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.