Liberty RD over State Route 99
GoodSan Joaquin County, California · 10-SJ-099-37.83 · Structure no. 29 0138
- Built
- 1955
- 70 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 220 ft
- 4 main spans
- Daily traffic
- 1,800
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Liberty RD over State Route 99 is a steel stringer/multi-beam or girder carrying Liberty RD over State Route 99 in San Joaquin County, California. It was built in 1955, so it is 70 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 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 2,063 by 2042. The structure is 220 ft (67.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Liberty RD over State Route 99 built?
It was built in 1955, making it 70 years old in 2025.
What condition is Liberty RD over State Route 99 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 July 2024.
How much traffic does Liberty RD over State Route 99 carry?
About 1,800 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Liberty RD over State Route 99?
The structure is 220 ft (67.1 m) long with a longest span of 77 ft (23.5 m) and a deck 30 ft wide.
Who owns Liberty RD over State Route 99?
It is owned by the State Highway Agency.