State Route 140 over San Joaquin River
GoodMerced County, California · 10-MER-140-11.79 · Structure no. 39 0092
- Built
- 1950
- 75 years old, rebuilt 1993
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 522 ft
- 24 main spans
- Daily traffic
- 3,650
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 140 over San Joaquin River is a concrete continuous slab carrying State Route 140 over San Joaquin River in Merced County, California. It was built in 1950 and reconstructed in 1993, so it is 75 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 3,650 vehicles a day, roughly 11% of them trucks, projected to reach 4,149 by 2040. The structure is 522 ft (159.1 m) long and 44 ft wide. If it were closed, the detour would be 21.1 mi (34 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 State Route 140 over San Joaquin River built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1993.
What condition is State Route 140 over San Joaquin 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 September 2023.
How much traffic does State Route 140 over San Joaquin River carry?
About 3,650 vehicles per day (2015 count), of which roughly 11% are trucks.
How long is State Route 140 over San Joaquin River?
The structure is 522 ft (159.1 m) long with a longest span of 22 ft (6.6 m) and a deck 44 ft wide.
Who owns State Route 140 over San Joaquin River?
It is owned by the State Highway Agency.