Interstate 580 over BNSF RY South Second ST
PoorContra Costa County, California · 04-CC-580-R4.09-RCH · Structure no. 28 0277
- Built
- 1990
- 35 years old
- Condition
- Poor
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 573 ft
- 7 main spans
- Daily traffic
- 69,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 over BNSF RY South Second ST is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 580 over BNSF RY South Second ST in Contra Costa County, California. It was built in 1990, so it is 35 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 69,000 vehicles a day, projected to reach 104,290 by 2046. The structure is 573 ft (174.8 m) long and 148 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Interstate 580 over BNSF RY South Second ST built?
It was built in 1990, making it 35 years old in 2025.
What condition is Interstate 580 over BNSF RY South Second ST in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.
How much traffic does Interstate 580 over BNSF RY South Second ST carry?
About 69,000 vehicles per day (2009 count).
How long is Interstate 580 over BNSF RY South Second ST?
The structure is 573 ft (174.8 m) long with a longest span of 116 ft (35.4 m) and a deck 148 ft wide.
Who owns Interstate 580 over BNSF RY South Second ST?
It is owned by the State Highway Agency.