East Portal Bldg over State Route 24
FairContra Costa County, California · 04-CC-024-R0.28 · Structure no. 28 0283L
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 5
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
East Portal Bldg over State Route 24 is a concrete box beam or girders - multiple carrying East Portal Bldg over State Route 24 in Contra Costa County, California. It was built in 1964, so it is 61 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 5 vehicles a day, roughly 1% of them trucks, projected to reach 5 by 2045. The structure is 37 ft (11.3 m) long and 21 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was East Portal Bldg over State Route 24 built?
It was built in 1964, making it 61 years old in 2025.
What condition is East Portal Bldg over State Route 24 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 June 2023.
How much traffic does East Portal Bldg over State Route 24 carry?
About 5 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is East Portal Bldg over State Route 24?
The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 21 ft wide.
Who owns East Portal Bldg over State Route 24?
It is owned by the State Highway Agency.