PATTERSON PASS RD
Carrying PATTERSON PASS RD over ROUTE 580
10-SJ-580-13.54, San Joaquin, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: PATTERSON PASS RD
The PATTERSON PASS RD bridge in San Joaquin, California carries PATTERSON PASS RD over ROUTE 580. It was built in 1967, making it 59 years old today. The structure is built primarily of concrete continuous. Daily traffic averages 26,600 vehicles, placing it in the heavily-trafficked tier of California bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How PATTERSON PASS RD compares
Live comparison across California.
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 How the historical reference is calculated.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
- 1967
- Material
- Concrete Continuous
- Avg Daily Traffic
- 26,600 vehicles/day
- Structure Number
- 29 0024
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 PATTERSON PASS RD 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 PATTERSON PASS RD against other structures in San Joaquin and across California. California 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 PATTERSON PASS RD?
PATTERSON PASS RD in San Joaquin, California on the FHWA's 0–9 scale.
How often is PATTERSON PASS RD inspected?
PATTERSON PASS RD'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 26,600 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PATTERSON PASS RD is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for PATTERSON PASS RD?
An inventory load rating is not recorded for PATTERSON PASS RD.
Who is responsible for maintaining PATTERSON PASS RD?
Ownership is not specified for PATTERSON PASS RD in the NBI.
How old is PATTERSON PASS RD and does age affect safety?
PATTERSON PASS RD was built in 1967, making it 59 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.
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.