14th ST over Harbor Street
FairContra Costa County, California · 0.1 MI SW Central Avenue · Structure no. 28C0045
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 89 ft
- 1 main span
- Daily traffic
- 3,500
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
14th ST over Harbor Street is a prestressed concrete box beam or girders - multiple carrying 14th ST over Harbor Street in Contra Costa County, California. It was built in 1990, so it is 35 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 3,500 vehicles a day, roughly 3% of them trucks, projected to reach 5,507 by 2042. The structure is 89 ft (27.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 14th ST over Harbor Street built?
It was built in 1990, making it 35 years old in 2025.
What condition is 14th ST over Harbor 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 December 2023.
How much traffic does 14th ST over Harbor Street carry?
About 3,500 vehicles per day (2016 count), of which roughly 3% are trucks.
How long is 14th ST over Harbor Street?
The structure is 89 ft (27.1 m) long with a longest span of 87 ft (26.4 m) and a deck 36 ft wide.
Who owns 14th ST over Harbor Street?
It is owned by the City or Municipal Highway Agency.