Old Tunnel RD over Reliez Creek
GoodContra Costa County, California · 0.1 MI E Pleasant Hill RD · Structure no. 28C0099
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected December 2021
- Type
- Tee Beam
- Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 3,100
- 2013 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Old Tunnel RD over Reliez Creek is a concrete tee beam carrying Old Tunnel RD over Reliez Creek in Contra Costa County, California. It was built in 1971, so it is 54 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 3,100 vehicles a day, roughly 1% of them trucks, projected to reach 5,089 by 2043. The structure is 55 ft (16.8 m) long and 52 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Tunnel RD over Reliez Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Old Tunnel RD over Reliez Creek 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 December 2021.
How much traffic does Old Tunnel RD over Reliez Creek carry?
About 3,100 vehicles per day (2013 count), of which roughly 1% are trucks.
How long is Old Tunnel RD over Reliez Creek?
The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 52 ft wide.
Who owns Old Tunnel RD over Reliez Creek?
It is owned by the City or Municipal Highway Agency.