Interstate 505 NB over Interstate 5
FairYolo County, California · 03-YOL-505-R22.33 · Structure no. 22 0143R
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 334 ft
- 4 main spans
- Daily traffic
- 14,000
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 505 NB over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Interstate 505 NB over Interstate 5 in Yolo County, California. It was built in 1968, so it is 57 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 14,000 vehicles a day, roughly 27% of them trucks, projected to reach 21,353 by 2041. The structure is 334 ft (101.9 m) long and 41 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 505 NB over Interstate 5 built?
It was built in 1968, making it 57 years old in 2025.
What condition is Interstate 505 NB over Interstate 5 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 May 2023.
How much traffic does Interstate 505 NB over Interstate 5 carry?
About 14,000 vehicles per day (2010 count), of which roughly 27% are trucks.
How long is Interstate 505 NB over Interstate 5?
The structure is 334 ft (101.9 m) long with a longest span of 120 ft (36.6 m) and a deck 41 ft wide.
Who owns Interstate 505 NB over Interstate 5?
It is owned by the State Highway Agency.