Silverlake Road
Carrying Silverlake Road over Santa Cruz River
0.1 mi E Jct Mission Rd, Pima, Arizona
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Silverlake Road
The Silverlake Road bridge in Pima, Arizona carries Silverlake Road over Santa Cruz River. It was built in 1956, making it 70 years old today. It was last reconstructed in 2001, extending its service life. The structure is built primarily of concrete continuous and spans 4 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 15,792 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 33.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Silverlake Road compares
Live comparison across Arizona.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1956
- Last Reconstructed
- 2001
- Material
- Concrete Continuous
- Number of Spans
- 4
- Structure Length
- 18.3 m (60 ft)
- Deck Width
- 29.0 m (95 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 15,792 vehicles/day
- Structure Number
- 08687
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether Silverlake 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 Silverlake Road 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 Silverlake Road?
Silverlake Road in Pima, Arizona on the FHWA's 0–9 scale.
How often is Silverlake Road inspected?
Silverlake 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 15,792 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Silverlake Road 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 Silverlake Road?
Silverlake Road has an NBI inventory load rating of 33.6 metric tons.
Who is responsible for maintaining Silverlake Road?
Silverlake Road is owned and maintained by City/Municipal Highway Agency.
How old is Silverlake Road and does age affect safety?
Silverlake Road was built in 1956, making it 70 years old and last reconstructed in 2001.
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.
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.