I 580 WB over BNSF RY & Garrard Blvd
FairContra Costa County, California · 04-CC-580-R4.81-RCH · Structure no. 28 0056R
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 913 ft
- 8 main spans
- Daily traffic
- 33,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
I 580 WB over BNSF RY & Garrard Blvd is a prestressed concrete continuous box beam or girders - multiple carrying I 580 WB over BNSF RY & Garrard Blvd in Contra Costa County, California. It was built in 1991, so it is 34 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 33,500 vehicles a day, roughly 5% of them trucks, projected to reach 59,068 by 2042. The structure is 913 ft (278.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 580 WB over BNSF RY & Garrard Blvd built?
It was built in 1991, making it 34 years old in 2025.
What condition is I 580 WB over BNSF RY & Garrard Blvd in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does I 580 WB over BNSF RY & Garrard Blvd carry?
About 33,500 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is I 580 WB over BNSF RY & Garrard Blvd?
The structure is 913 ft (278.4 m) long with a longest span of 135 ft (41.1 m) and a deck 54 ft wide.
Who owns I 580 WB over BNSF RY & Garrard Blvd?
It is owned by the State Highway Agency.