State Route 4 EB over Century Blvd
GoodContra Costa County, California · 04-CC-004-25.00-ANT · Structure no. 28 0395R
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 57,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 EB over Century Blvd is a prestressed concrete box beam or girders - multiple carrying State Route 4 EB over Century Blvd in Contra Costa County, California. It was built in 2013, so it is 12 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 57,000 vehicles a day, roughly 8% of them trucks, projected to reach 81,230 by 2043. The structure is 93 ft (28.4 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 4 EB over Century Blvd built?
It was built in 2013, making it 12 years old in 2025.
What condition is State Route 4 EB over Century 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 Century Blvd carry?
About 57,000 vehicles per day (2019 count), of which roughly 8% are trucks.
How long is State Route 4 EB over Century Blvd?
The structure is 93 ft (28.4 m) long with a longest span of 91 ft (27.6 m) and a deck 81 ft wide.
Who owns State Route 4 EB over Century Blvd?
It is owned by the State Highway Agency.