FHWA NBI 2024 Inspection record Public-domain dataset

ST STEPHENS DRIVE

Carrying ST STEPHENS DRIVE over STATE ROUTE 24 & BARTD

04-CC-024-R3.47-ORIN, Contra Costa, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: ST STEPHENS DRIVE

The ST STEPHENS DRIVE bridge in Contra Costa, California carries ST STEPHENS DRIVE over STATE ROUTE 24 & BARTD. It was built in 1969, making it 57 years old today. The structure is built primarily of concrete continuous. Daily traffic averages 159,000 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. All reported major components score above the Poor range.

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

How ST STEPHENS DRIVE compares

686
Bridges in Contra Costa · 38 in Poor condition

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
87.8 / 100 - historical 80–100 band
Structural adequacy /55
52.8
Serviceability /30
22.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1969
Material
Concrete Continuous
Avg Daily Traffic
159,000 vehicles/day
Structure Number
28 0111

How to read this record

This page shows what the last federal inspection recorded, not whether ST STEPHENS DRIVE 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 ST STEPHENS DRIVE against other structures in Contra Costa 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 ST STEPHENS DRIVE?

ST STEPHENS DRIVE in Contra Costa, California on the FHWA's 0–9 scale.

How often is ST STEPHENS DRIVE inspected?

ST STEPHENS DRIVE'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 159,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST STEPHENS DRIVE 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 ST STEPHENS DRIVE?

An inventory load rating is not recorded for ST STEPHENS DRIVE.

Who is responsible for maintaining ST STEPHENS DRIVE?

Ownership is not specified for ST STEPHENS DRIVE in the NBI.

How old is ST STEPHENS DRIVE and does age affect safety?

ST STEPHENS DRIVE was built in 1969, making it 57 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.