Route 133 NB over San Diego Creek
FairOrange County, California · 12-ORA-133-8.59-IRVN · Structure no. 55 0290R
- Built
- 1958
- 67 years old, rebuilt 1999
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 151 ft
- 5 main spans
- Daily traffic
- 20,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Route 133 NB over San Diego Creek is a concrete continuous slab carrying Route 133 NB over San Diego Creek in Orange County, California. It was built in 1958 and reconstructed in 1999, so it is 67 years old, older 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 20,000 vehicles a day, roughly 5% of them trucks, projected to reach 23,095 by 2042. The structure is 151 ft (46 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 133 NB over San Diego Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1999.
What condition is Route 133 NB over San Diego 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 2024.
How much traffic does Route 133 NB over San Diego Creek carry?
About 20,000 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Route 133 NB over San Diego Creek?
The structure is 151 ft (46 m) long with a longest span of 30 ft (9.1 m) and a deck 62 ft wide.
Who owns Route 133 NB over San Diego Creek?
It is owned by the State Highway Agency.