Interstate 5 SB over Delta-Mendota Canal
FairMerced County, California · 10-MER-005-19.55 · Structure no. 39 0164L
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 219 ft
- 1 main span
- Daily traffic
- 15,500
- 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 Merced County, California. It was built in 1966, so it is 59 years old, older 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 15,500 vehicles a day, roughly 25% of them trucks, projected to reach 26,525 by 2046. The structure is 219 ft (66.8 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | 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 1966, making it 59 years old in 2025.
What condition is Interstate 5 SB over Delta-Mendota Canal 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 January 2024.
How much traffic does Interstate 5 SB over Delta-Mendota Canal carry?
About 15,500 vehicles per day (2009 count), of which roughly 25% are trucks.
How long is Interstate 5 SB over Delta-Mendota Canal?
The structure is 219 ft (66.8 m) long with a longest span of 207 ft (63 m) and a deck 42 ft wide.
Who owns Interstate 5 SB over Delta-Mendota Canal?
It is owned by the State Highway Agency.