Oakport Street over Damon Slough
FairAlameda County, California · 0.2 MI SE of 66th Ave · Structure no. 33C0031
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 157 ft
- 6 main spans
- Daily traffic
- 5,313
- 2003 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Oakport Street over Damon Slough is a concrete continuous slab carrying Oakport Street over Damon Slough in Alameda 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 5,313 vehicles a day, roughly 5% of them trucks, projected to reach 7,658 by 2042. The structure is 157 ft (47.9 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oakport Street over Damon Slough built?
It was built in 1968, making it 57 years old in 2025.
What condition is Oakport Street over Damon Slough 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 November 2024.
How much traffic does Oakport Street over Damon Slough carry?
About 5,313 vehicles per day (2003 count), of which roughly 5% are trucks.
How long is Oakport Street over Damon Slough?
The structure is 157 ft (47.9 m) long with a longest span of 27 ft (8.2 m) and a deck 38 ft wide.
Who owns Oakport Street over Damon Slough?
It is owned by the City or Municipal Highway Agency.