State Route 133 NB over Little Sycamore Creek
FairOrange County, California · 12-ORA-133-M5.18 · Structure no. 55 0998R
- Built
- 2004
- 21 years old
- Condition
- Fair
- inspected November 2022
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 114 ft
- 2 main spans
- Daily traffic
- 28,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 133 NB over Little Sycamore Creek is a concrete continuous box beam or girders - multiple carrying State Route 133 NB over Little Sycamore Creek in Orange County, California. It was built in 2004, so it is 21 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 6 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 28,500 vehicles a day, projected to reach 40,500 by 2040. The structure is 114 ft (34.6 m) long and 52 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 State Route 133 NB over Little Sycamore Creek built?
It was built in 2004, making it 21 years old in 2025.
What condition is State Route 133 NB over Little Sycamore 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 November 2022.
How much traffic does State Route 133 NB over Little Sycamore Creek carry?
About 28,500 vehicles per day (2020 count).
How long is State Route 133 NB over Little Sycamore Creek?
The structure is 114 ft (34.6 m) long with a longest span of 64 ft (19.6 m) and a deck 52 ft wide.
Who owns State Route 133 NB over Little Sycamore Creek?
It is owned by the State Highway Agency.