Wilton RD over Cosumnes River
GoodSacramento County, California · 1.5 MI E Grant Line RD · Structure no. 24C0037
- Built
- 1957
- 68 years old
- Condition
- Good
- inspected April 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 410 ft
- 3 main spans
- Daily traffic
- 11,400
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Wilton RD over Cosumnes River is a concrete continuous tee beam carrying Wilton RD over Cosumnes River in Sacramento County, California. It was built in 1957, so it is 68 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 11,400 vehicles a day, roughly 10% of them trucks, projected to reach 17,445 by 2043. The structure is 410 ft (125.1 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wilton RD over Cosumnes River built?
It was built in 1957, making it 68 years old in 2025.
What condition is Wilton RD over Cosumnes River 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 April 2023.
How much traffic does Wilton RD over Cosumnes River carry?
About 11,400 vehicles per day (2009 count), of which roughly 10% are trucks.
How long is Wilton RD over Cosumnes River?
The structure is 410 ft (125.1 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.
Who owns Wilton RD over Cosumnes River?
It is owned by the County Highway Agency.