Interstate 5 SB over Beaver Slough
FairSan Joaquin County, California · 10-SJ-005-45.87 · Structure no. 29 0247L
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected March 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 25,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Beaver Slough is a concrete continuous tee beam carrying Interstate 5 SB over Beaver Slough in San Joaquin County, California. It was built in 1979, so it is 46 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 25,000 vehicles a day, roughly 22% of them trucks, projected to reach 55,741 by 2045. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 SB over Beaver Slough built?
It was built in 1979, making it 46 years old in 2025.
What condition is Interstate 5 SB over Beaver Slough 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 March 2023.
How much traffic does Interstate 5 SB over Beaver Slough carry?
About 25,000 vehicles per day (2009 count), of which roughly 22% are trucks.
How long is Interstate 5 SB over Beaver Slough?
The structure is 120 ft (36.6 m) long with a longest span of 42 ft (12.8 m) and a deck 43 ft wide.
Who owns Interstate 5 SB over Beaver Slough?
It is owned by the State Highway Agency.