I-5 NB & SR 120 EB over San Joaquin River
FairSan Joaquin County, California · 10-SJ-005-R14.46 · Structure no. 29 0252R
- Built
- 1971
- 54 years old, rebuilt 2008
- Condition
- Fair
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 693 ft
- 5 main spans
- Daily traffic
- 80,000
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 NB & SR 120 EB over San Joaquin River is a concrete continuous box beam or girders - multiple carrying I-5 NB & SR 120 EB over San Joaquin River in San Joaquin County, California. It was built in 1971 and reconstructed in 2008, so it is 54 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 128,352 by 2043. The structure is 693 ft (211.2 m) long and 84 ft wide. If it were closed, the detour would be 21.1 mi (34 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 I-5 NB & SR 120 EB over San Joaquin River built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2008.
What condition is I-5 NB & SR 120 EB 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 I-5 NB & SR 120 EB over San Joaquin River carry?
About 80,000 vehicles per day (2010 count), of which roughly 26% are trucks.
How long is I-5 NB & SR 120 EB over San Joaquin River?
The structure is 693 ft (211.2 m) long with a longest span of 145 ft (44.2 m) and a deck 84 ft wide.
Who owns I-5 NB & SR 120 EB over San Joaquin River?
It is owned by the State Highway Agency.