E4-N160 CONNECTOR
Carrying E4-N160 CONNECTOR over STATE ROUTE 4
04-CC-004-R30.20-ANT, Contra Costa, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: E4-N160 CONNECTOR
The E4-N160 CONNECTOR bridge in Contra Costa, California carries E4-N160 CONNECTOR over STATE ROUTE 4. It was built in 2005, making it 21 years old today. The structure is built primarily of prestressed concrete continuous. Daily traffic averages 45,000 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 E4-N160 CONNECTOR 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 How the historical reference is calculated.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
- 2005
- Material
- Prestressed Concrete Continuous
- Avg Daily Traffic
- 45,000 vehicles/day
- Structure Number
- 28 0388G
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 E4-N160 CONNECTOR 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 E4-N160 CONNECTOR 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 E4-N160 CONNECTOR?
E4-N160 CONNECTOR in Contra Costa, California on the FHWA's 0–9 scale.
How often is E4-N160 CONNECTOR inspected?
E4-N160 CONNECTOR'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 45,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. E4-N160 CONNECTOR 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 E4-N160 CONNECTOR?
An inventory load rating is not recorded for E4-N160 CONNECTOR.
Who is responsible for maintaining E4-N160 CONNECTOR?
Ownership is not specified for E4-N160 CONNECTOR in the NBI.
How old is E4-N160 CONNECTOR and does age affect safety?
E4-N160 CONNECTOR was built in 2005, making it 21 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.