Glenside DR over Las Trampas Creek
FairContra Costa County, California · 0.1 MI E ST Marys Road · Structure no. 28C0089
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected December 2021
- Type
- Culvert
- Concrete
- Length
- 29 ft
- 1 main span
- Daily traffic
- 6,025
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Glenside DR over Las Trampas Creek is a concrete culvert carrying Glenside DR over Las Trampas Creek in Contra Costa County, California. It was built in 1963, so it is 62 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 6,025 vehicles a day, roughly 1% of them trucks, projected to reach 16,466 by 2040. The structure is 29 ft (8.8 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Glenside DR over Las Trampas Creek built?
It was built in 1963, making it 62 years old in 2025.
What condition is Glenside DR over Las Trampas 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 December 2021.
How much traffic does Glenside DR over Las Trampas Creek carry?
About 6,025 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is Glenside DR over Las Trampas Creek?
The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 51 ft wide.
Who owns Glenside DR over Las Trampas Creek?
It is owned by the City or Municipal Highway Agency.