Interstate 5 NB over Eighth Street
FairSan Joaquin County, California · 10-SJ-005-24.64-STKN · Structure no. 29 0224R
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 139 ft
- 1 main span
- Daily traffic
- 43,750
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Eighth Street is a prestressed concrete box beam or girders - multiple carrying Interstate 5 NB over Eighth Street 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 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 43,750 vehicles a day, roughly 24% of them trucks, projected to reach 83,109 by 2041. The structure is 139 ft (42.4 m) long and 53 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 NB over Eighth Street built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 5 NB over Eighth Street 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 August 2023.
How much traffic does Interstate 5 NB over Eighth Street carry?
About 43,750 vehicles per day (2009 count), of which roughly 24% are trucks.
How long is Interstate 5 NB over Eighth Street?
The structure is 139 ft (42.4 m) long with a longest span of 137 ft (41.8 m) and a deck 53 ft wide.
Who owns Interstate 5 NB over Eighth Street?
It is owned by the State Highway Agency.