ROUTE 580 EB
Carrying ROUTE 580 EB over GRANT LINE ROAD
04-ALA-580-R1.48, Alameda, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ROUTE 580 EB
The ROUTE 580 EB bridge in Alameda, California carries ROUTE 580 EB over GRANT LINE ROAD. It was built in 1953, making it 73 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 42.0 meters (138 feet) end to end. Daily traffic averages 87,500 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 44.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ROUTE 580 EB 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 How the historical reference is calculated.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
- 1953
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 42.0 m (138 ft)
- Deck Width
- 24.3 m (80 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 87,500 vehicles/day
- Structure Number
- 33 0196L
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • 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.
How to read this record
This page shows what the last federal inspection recorded, not whether ROUTE 580 EB 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 ROUTE 580 EB against other structures in Alameda 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 ROUTE 580 EB?
ROUTE 580 EB in Alameda, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is ROUTE 580 EB inspected?
ROUTE 580 EB'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 87,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ROUTE 580 EB is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for ROUTE 580 EB?
ROUTE 580 EB has an NBI inventory load rating of 44.7 metric tons.
Who is responsible for maintaining ROUTE 580 EB?
ROUTE 580 EB is owned and maintained by State Highway Agency.
How old is ROUTE 580 EB and does age affect safety?
ROUTE 580 EB was built in 1953, making it 73 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.