Interstate 5 SB over Delta-Mendota Canal
PoorSan Joaquin County, California · 10-SJ-005-3.27 · Structure no. 29 0205L
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 223 ft
- 1 main span
- Daily traffic
- 11,400
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Delta-Mendota Canal is a steel stringer/multi-beam or girder carrying Interstate 5 SB over Delta-Mendota Canal 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 11,400 vehicles a day, roughly 25% of them trucks, projected to reach 23,276 by 2046. The structure is 223 ft (68 m) long and 52 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Delta-Mendota Canal built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 5 SB over Delta-Mendota Canal 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 September 2024.
How much traffic does Interstate 5 SB over Delta-Mendota Canal carry?
About 11,400 vehicles per day (2009 count), of which roughly 25% are trucks.
How long is Interstate 5 SB over Delta-Mendota Canal?
The structure is 223 ft (68 m) long with a longest span of 114 ft (34.7 m) and a deck 52 ft wide.
Who owns Interstate 5 SB over Delta-Mendota Canal?
It is owned by the State Highway Agency.