Twin Cities RD over Cosumnes River Overflow
GoodSacramento County, California · 2.3 MI W Christensen RD · Structure no. 24C0166
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected October 2022
- Type
- Slab
- Concrete Continuous
- Length
- 452 ft
- 15 main spans
- Daily traffic
- 4,223
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Twin Cities RD over Cosumnes River Overflow is a concrete continuous slab carrying Twin Cities RD over Cosumnes River Overflow in Sacramento County, California. It was built in 1983, so it is 42 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 4,223 vehicles a day, roughly 10% of them trucks, projected to reach 5,183 by 2039. The structure is 452 ft (137.8 m) long and 37 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twin Cities RD over Cosumnes River Overflow built?
It was built in 1983, making it 42 years old in 2025.
What condition is Twin Cities RD over Cosumnes River 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 October 2022.
How much traffic does Twin Cities RD over Cosumnes River Overflow carry?
About 4,223 vehicles per day (2009 count), of which roughly 10% are trucks.
How long is Twin Cities RD over Cosumnes River Overflow?
The structure is 452 ft (137.8 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.
Who owns Twin Cities RD over Cosumnes River Overflow?
It is owned by the County Highway Agency.