State Route 13 NB over Moraga Ave
PoorAlameda County, California · 04-ALA-013-8.27-OAK · Structure no. 33 0227R
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 252 ft
- 3 main spans
- Daily traffic
- 57,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 13 NB over Moraga Ave is a concrete continuous box beam or girders - multiple carrying State Route 13 NB over Moraga Ave in Alameda 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 57,000 vehicles a day, roughly 3% of them trucks, projected to reach 85,009 by 2041. The structure is 252 ft (76.8 m) long and 45 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, 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 State Route 13 NB over Moraga Ave built?
It was built in 1964, making it 61 years old in 2025.
What condition is State Route 13 NB over Moraga Ave in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.
How much traffic does State Route 13 NB over Moraga Ave carry?
About 57,000 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is State Route 13 NB over Moraga Ave?
The structure is 252 ft (76.8 m) long with a longest span of 115 ft (35.1 m) and a deck 45 ft wide.
Who owns State Route 13 NB over Moraga Ave?
It is owned by the State Highway Agency.