Interstate 5 SB over Tom Paine Slough
FairSan Joaquin County, California · 10-SJ-005-R12.39 · Structure no. 29 0265L
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 195 ft
- 7 main spans
- Daily traffic
- 23,750
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Tom Paine Slough is a concrete continuous slab carrying Interstate 5 SB over Tom Paine Slough in San Joaquin County, California. It was built in 1971, 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 23,750 vehicles a day, roughly 31% of them trucks, projected to reach 39,156 by 2043. The structure is 195 ft (59.4 m) long and 54 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Tom Paine Slough built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 5 SB over Tom Paine 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 October 2023.
How much traffic does Interstate 5 SB over Tom Paine Slough carry?
About 23,750 vehicles per day (2010 count), of which roughly 31% are trucks.
How long is Interstate 5 SB over Tom Paine Slough?
The structure is 195 ft (59.4 m) long with a longest span of 30 ft (9.1 m) and a deck 54 ft wide.
Who owns Interstate 5 SB over Tom Paine Slough?
It is owned by the State Highway Agency.