FHWA NBI 2024 Inspection record Public-domain dataset

Speedway Blvd

Carrying Speedway Blvd over Silvercroft Wash

0.1 mi E Jct Slvrbell Rd, Pima, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
30 t Inventory load rating

Bridge Snapshot: Speedway Blvd

The Speedway Blvd bridge in Pima, Arizona carries Speedway Blvd over Silvercroft Wash. It was built in 1970, making it 56 years old today. It was last reconstructed in 1991, extending its service life. The structure is built primarily of concrete continuous and spans 5 sections, stretching 17.7 meters (58 feet) end to end. Daily traffic averages 25,508 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 29.9 metric tons.

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

How Speedway Blvd compares

▼ 17.5
Load rating vs Arizona average (47.4 t)
Bottom 14%
Lower load rating than 86% of Arizona bridges
864
Bridges in Pima · 8 in Poor condition
Speedway Blvd 29.9 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
94.3 / 100 - historical 80–100 band
Structural adequacy /55
53.7
Serviceability /30
30.0
Essentiality /15
12.6
Special reductions
−2.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1970
Last Reconstructed
1991
Material
Concrete Continuous
Number of Spans
5
Structure Length
17.7 m (58 ft)
Deck Width
30.5 m (100 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
25,508 vehicles/day
Structure Number
09524

How to read this record

This page shows what the last federal inspection recorded, not whether Speedway Blvd 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 Speedway Blvd 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 Speedway Blvd?

Speedway Blvd in Pima, Arizona on the FHWA's 0–9 scale.

How often is Speedway Blvd inspected?

Speedway Blvd'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 25,508 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Speedway Blvd 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 Speedway Blvd?

Speedway Blvd has an NBI inventory load rating of 29.9 metric tons.

Who is responsible for maintaining Speedway Blvd?

Speedway Blvd is owned and maintained by City/Municipal Highway Agency.

How old is Speedway Blvd and does age affect safety?

Speedway Blvd was built in 1970, making it 56 years old and last reconstructed in 1991.

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.