Interstate 5 SB over Walker Slough
PoorSan Joaquin County, California · 10-SJ-005-R23.93-STKN · Structure no. 29 0223L
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 118 ft
- 5 main spans
- Daily traffic
- 43,750
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Walker Slough is a concrete continuous slab carrying Interstate 5 SB over Walker 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 43,750 vehicles a day, roughly 24% of them trucks, projected to reach 84,785 by 2043. The structure is 118 ft (36 m) long and 53 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 Walker Slough built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 5 SB over Walker Slough in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.
How much traffic does Interstate 5 SB over Walker Slough carry?
About 43,750 vehicles per day (2015 count), of which roughly 24% are trucks.
How long is Interstate 5 SB over Walker Slough?
The structure is 118 ft (36 m) long with a longest span of 26 ft (7.9 m) and a deck 53 ft wide.
Who owns Interstate 5 SB over Walker Slough?
It is owned by the State Highway Agency.