State Route 4 EB over Usn RR & Kinne Blvd
GoodContra Costa County, California · 04-CC-004-R16.00-CND · Structure no. 28 0238R
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 672 ft
- 4 main spans
- Daily traffic
- 73,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 EB over Usn RR & Kinne Blvd is a prestressed concrete continuous box beam or girders - multiple carrying State Route 4 EB over Usn RR & Kinne Blvd in Contra Costa County, California. It was built in 1976, so it is 49 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 73,000 vehicles a day, roughly 7% of them trucks, projected to reach 97,882 by 2045. The structure is 672 ft (204.8 m) long and 66 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 4 EB over Usn RR & Kinne Blvd built?
It was built in 1976, making it 49 years old in 2025.
What condition is State Route 4 EB over Usn RR & Kinne Blvd 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 May 2023.
How much traffic does State Route 4 EB over Usn RR & Kinne Blvd carry?
About 73,000 vehicles per day (2017 count), of which roughly 7% are trucks.
How long is State Route 4 EB over Usn RR & Kinne Blvd?
The structure is 672 ft (204.8 m) long with a longest span of 202 ft (61.6 m) and a deck 66 ft wide.
Who owns State Route 4 EB over Usn RR & Kinne Blvd?
It is owned by the State Highway Agency.