Interstate RTE 580 over Stege Drain
GoodContra Costa County, California · 04-CC-580-1.17-RCH · Structure no. 28 0421
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 47 ft
- 1 main span
- Daily traffic
- 92,300
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate RTE 580 over Stege Drain is a prestressed concrete slab carrying Interstate RTE 580 over Stege Drain in Contra Costa County, California. It was built in 2022, so it is 3 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 92,300 vehicles a day, roughly 3% of them trucks, projected to reach 120,000 by 2042. The structure is 47 ft (14.3 m) long and 139 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate RTE 580 over Stege Drain built?
It was built in 2022, making it 3 years old in 2025.
What condition is Interstate RTE 580 over Stege Drain in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does Interstate RTE 580 over Stege Drain carry?
About 92,300 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Interstate RTE 580 over Stege Drain?
The structure is 47 ft (14.3 m) long with a longest span of 43 ft (13.1 m) and a deck 139 ft wide.
Who owns Interstate RTE 580 over Stege Drain?
It is owned by the State Highway Agency.