Route 101 SB over Mission RD-E10 On-Ramp
GoodLos Angeles County, California · 07-LA-101-S1.28-LA · Structure no. 53 0555L
- Built
- 1947
- 78 years old
- Condition
- Good
- inspected April 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 140,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Route 101 SB over Mission RD-E10 On-Ramp is a concrete continuous tee beam carrying Route 101 SB over Mission RD-E10 On-Ramp in Los Angeles County, California. It was built in 1947, so it is 78 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 140,000 vehicles a day, roughly 6% of them trucks, projected to reach 216,264 by 2043. The structure is 171 ft (52.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Route 101 SB over Mission RD-E10 On-Ramp built?
It was built in 1947, making it 78 years old in 2025.
What condition is Route 101 SB over Mission RD-E10 On-Ramp in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does Route 101 SB over Mission RD-E10 On-Ramp carry?
About 140,000 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Route 101 SB over Mission RD-E10 On-Ramp?
The structure is 171 ft (52.1 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.
Who owns Route 101 SB over Mission RD-E10 On-Ramp?
It is owned by the State Highway Agency.