Richmond Parkway over Giant Highway
FairContra Costa County, California · Intchg Richmond/Giant RD · Structure no. 28C0472
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 130 ft
- 1 main span
- Daily traffic
- 22,244
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Richmond Parkway over Giant Highway is a prestressed concrete box beam or girders - multiple carrying Richmond Parkway over Giant Highway in Contra Costa County, California. It was built in 1995, so it is 30 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 22,244 vehicles a day, roughly 5% of them trucks, projected to reach 33,040 by 2042. The structure is 130 ft (39.6 m) long and 137 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Richmond Parkway over Giant Highway built?
It was built in 1995, making it 30 years old in 2025.
What condition is Richmond Parkway over Giant Highway 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 December 2024.
How much traffic does Richmond Parkway over Giant Highway carry?
About 22,244 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Richmond Parkway over Giant Highway?
The structure is 130 ft (39.6 m) long with a longest span of 126 ft (38.3 m) and a deck 137 ft wide.
Who owns Richmond Parkway over Giant Highway?
It is owned by the City or Municipal Highway Agency.