Interstate 5 NB over California Aqueduct
GoodMerced County, California · 10-MER-005-18.46 · Structure no. 39 0162R
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 519 ft
- 4 main spans
- Daily traffic
- 17,300
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over California Aqueduct is a concrete continuous box beam or girders - multiple carrying Interstate 5 NB over California Aqueduct 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 17,300 vehicles a day, roughly 29% of them trucks, projected to reach 26,525 by 2046. The structure is 519 ft (158.2 m) long and 41 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 NB over California Aqueduct built?
It was built in 1966, making it 59 years old in 2025.
What condition is Interstate 5 NB over California Aqueduct in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.
How much traffic does Interstate 5 NB over California Aqueduct carry?
About 17,300 vehicles per day (2020 count), of which roughly 29% are trucks.
How long is Interstate 5 NB over California Aqueduct?
The structure is 519 ft (158.2 m) long with a longest span of 105 ft (32 m) and a deck 41 ft wide.
Who owns Interstate 5 NB over California Aqueduct?
It is owned by the State Highway Agency.