Interstate 5 SB over San Joaquin River
FairSan Joaquin County, California · 10-SJ-005-R14.46 · Structure no. 29 0252L
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 772 ft
- 6 main spans
- Daily traffic
- 80,000
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over San Joaquin River is a concrete continuous box beam or girders - multiple carrying Interstate 5 SB over San Joaquin River in San Joaquin County, California. It was built in 1972, so it is 53 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 80,000 vehicles a day, roughly 26% of them trucks, projected to reach 126,234 by 2043. The structure is 772 ft (235.3 m) long and 53 ft wide. If it were closed, the detour would be 24.2 mi (39 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Interstate 5 SB over San Joaquin River built?
It was built in 1972, making it 53 years old in 2025.
What condition is Interstate 5 SB over San Joaquin River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does Interstate 5 SB over San Joaquin River carry?
About 80,000 vehicles per day (2013 count), of which roughly 26% are trucks.
How long is Interstate 5 SB over San Joaquin River?
The structure is 772 ft (235.3 m) long with a longest span of 145 ft (44.2 m) and a deck 53 ft wide.
Who owns Interstate 5 SB over San Joaquin River?
It is owned by the State Highway Agency.