Markham Street over Mockingbird Canyon Creek
FairRiverside County, California · 20 E/O Mockingbird Cyn · Structure no. 56C0520
- Built
- 2000
- 25 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 68 ft
- 1 main span
- Daily traffic
- 2,840
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Markham Street over Mockingbird Canyon Creek is a concrete slab carrying Markham Street over Mockingbird Canyon Creek in Riverside County, California. It was built in 2000, so it is 25 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 2,840 vehicles a day, roughly 1% of them trucks, projected to reach 3,041 by 2042. The structure is 68 ft (20.6 m) long and 40 ft wide. If it were closed, the detour would be 61.5 mi (99 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Markham Street over Mockingbird Canyon Creek built?
It was built in 2000, making it 25 years old in 2025.
What condition is Markham Street over Mockingbird Canyon Creek 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 April 2024.
How much traffic does Markham Street over Mockingbird Canyon Creek carry?
About 2,840 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Markham Street over Mockingbird Canyon Creek?
The structure is 68 ft (20.6 m) long with a longest span of 65 ft (19.7 m) and a deck 40 ft wide.
Who owns Markham Street over Mockingbird Canyon Creek?
It is owned by the County Highway Agency.