W580-CENTRAL OFF
Carrying W580-CENTRAL OFF over CENTRAL AVE
04-CC-580-0.04-RCH, Contra Costa, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: W580-CENTRAL OFF
The W580-CENTRAL OFF bridge in Contra Costa, California carries W580-CENTRAL OFF over CENTRAL AVE. It was built in 1991, making it 35 years old today. The structure is built primarily of concrete continuous and spans 15 sections, stretching 137.0 meters (449 feet) end to end. Daily traffic averages 4,300 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 7/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 23.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How W580-CENTRAL OFF 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 How the historical reference is calculated.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
- 1991
- Material
- Concrete Continuous
- Number of Spans
- 15
- Structure Length
- 137.0 m (449 ft)
- Deck Width
- 7.8 m (26 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 4,300 vehicles/day
- Structure Number
- 28 0231J
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
W580-CENTRAL OFF is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare W580-CENTRAL OFF 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 W580-CENTRAL OFF?
W580-CENTRAL OFF in Contra Costa, California has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is W580-CENTRAL OFF inspected?
W580-CENTRAL OFF'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 4,300 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. W580-CENTRAL OFF is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for W580-CENTRAL OFF?
W580-CENTRAL OFF has an NBI inventory load rating of 23.7 metric tons.
Who is responsible for maintaining W580-CENTRAL OFF?
W580-CENTRAL OFF is owned and maintained by State Highway Agency.
How old is W580-CENTRAL OFF and does age affect safety?
W580-CENTRAL OFF was built in 1991, making it 35 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.