Milburn DR over Grayson Creek
FairContra Costa County, California · 0.1 MI W Lucille LN · Structure no. 28C0414
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected February 2025
- Type
- Tee Beam
- Concrete Continuous
- Length
- 29 ft
- 1 main span
- Daily traffic
- 100
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Milburn DR over Grayson Creek is a concrete continuous tee beam carrying Milburn DR over Grayson Creek in Contra Costa County, California. It was built in 1967, so it is 58 years old, older 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 143 by 2047. The structure is 29 ft (8.8 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Milburn DR over Grayson Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Milburn DR over Grayson Creek 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 February 2025.
How much traffic does Milburn DR over Grayson Creek carry?
About 100 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is Milburn DR over Grayson Creek?
The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 45 ft wide.
Who owns Milburn DR over Grayson Creek?
It is owned by the City or Municipal Highway Agency.