BAYVIEW AVENUE OC
Carrying BAYVIEW AVENUE OC over INTERSTATE 580
04-CC-580-1.21, Contra Costa, California
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
BAYVIEW AVENUE OC in Contra Costa, California is rated Poor in the FHWA's 2024 National Bridge Inventory.
Built in 1987, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure CA:28 0271
LATE-CENTURY · PRESTRESS · LONG-SPAN-RUN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- PRESTRESS Prestressed concrete
- LONG-SPAN-RUN 6 spans
- DECK-LED Deck-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: BAYVIEW AVENUE OC
The BAYVIEW AVENUE OC bridge in Contra Costa, California carries BAYVIEW AVENUE OC over INTERSTATE 580. It was built in 1987, making it 39 years old today. The structure is built primarily of prestressed concrete continuous and spans 6 sections, stretching 327.7 meters (1075 feet) end to end. Daily traffic averages 13,500 vehicles, placing it in the heavily-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 7/9, substructure at 7/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How BAYVIEW AVENUE OC compares
Age against the county: built in 1987, earlier than 216 of Contra Costa's 618 bridges with a recorded construction year (35%), against a county median build year of 1971. This is one of the newer structures in its county.
Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).
BAYVIEW AVENUE OC vs every rated California bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 63% higher than 37% of 25,538 bridges
rated California bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Contra Costa inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 618 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1987
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 6
- Structure Length
- 327.7 m (1075 ft)
- Deck Width
- 27.1 m (89 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 13,500 vehicles/day
- Structure Number
- 28 0271
Condition Analysis
- • The deck (driving surface) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
BAYVIEW AVENUE OC 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 BAYVIEW AVENUE OC 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 BAYVIEW AVENUE OC?
BAYVIEW AVENUE OC in Contra Costa, California has a deck rating of 4/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is BAYVIEW AVENUE OC inspected?
BAYVIEW AVENUE OC'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 13,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. BAYVIEW AVENUE OC 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 BAYVIEW AVENUE OC?
BAYVIEW AVENUE OC has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining BAYVIEW AVENUE OC?
BAYVIEW AVENUE OC is owned and maintained by State Highway Agency.
How old is BAYVIEW AVENUE OC and does age affect safety?
BAYVIEW AVENUE OC was built in 1987, making it 39 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.
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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.