Oakville Cross RD over Conn Creek Overflow
GoodNapa County, California · 1.3 MI NE SR 29 · Structure no. 21C0082
- Built
- 1925
- 100 years old, rebuilt 1991
- Condition
- Good
- inspected May 2024
- Type
- Tee Beam
- Concrete
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 970
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Oakville Cross RD over Conn Creek Overflow is a concrete tee beam carrying Oakville Cross RD over Conn Creek Overflow in Napa County, California. It was built in 1925 and reconstructed in 1991, so it is 100 years old, older 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 970 vehicles a day, roughly 15% of them trucks, projected to reach 1,527 by 2046. The structure is 73 ft (22.3 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 Oakville Cross RD over Conn Creek Overflow built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1991.
What condition is Oakville Cross RD over Conn Creek Overflow 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 2024.
How much traffic does Oakville Cross RD over Conn Creek Overflow carry?
About 970 vehicles per day (2012 count), of which roughly 15% are trucks.
How long is Oakville Cross RD over Conn Creek Overflow?
The structure is 73 ft (22.3 m) long with a longest span of 24 ft (7.2 m) and a deck 33 ft wide.
Who owns Oakville Cross RD over Conn Creek Overflow?
It is owned by the County Highway Agency.