Walnut Grove Ave over Alhambra Wash
PoorLos Angeles County, California · 0.8MI N/O SR-60 Fwy · Structure no. 53C0598
- Built
- 1937
- 88 years old, rebuilt 1969
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 59 ft
- 1 main span
- Daily traffic
- 17,934
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Walnut Grove Ave over Alhambra Wash is a steel stringer/multi-beam or girder carrying Walnut Grove Ave over Alhambra Wash in Los Angeles County, California. It was built in 1937 and reconstructed in 1969, so it is 88 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 17,934 vehicles a day, roughly 4% of them trucks, projected to reach 21,521 by 2041. The structure is 59 ft (18 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
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 | 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Walnut Grove Ave over Alhambra Wash built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1969.
What condition is Walnut Grove Ave over Alhambra Wash 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 Walnut Grove Ave over Alhambra Wash carry?
About 17,934 vehicles per day (2017 count), of which roughly 4% are trucks.
How long is Walnut Grove Ave over Alhambra Wash?
The structure is 59 ft (18 m) long with a longest span of 56 ft (17.1 m) and a deck 81 ft wide.
Who owns Walnut Grove Ave over Alhambra Wash?
It is owned by the City or Municipal Highway Agency.