SR 73 SB over Greenfield Drive
GoodOrange County, California · 12-ORA-073-11.76-LGNH · Structure no. 55 0749L
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 173 ft
- 1 main span
- Daily traffic
- 25,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SR 73 SB over Greenfield Drive is a prestressed concrete box beam or girders - multiple carrying SR 73 SB over Greenfield Drive in Orange County, California. It was built in 1996, so it is 29 years old, younger 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 25,000 vehicles a day, roughly 8% of them trucks, projected to reach 25,900 by 2041. The structure is 173 ft (52.6 m) long and 59 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 73 SB over Greenfield Drive built?
It was built in 1996, making it 29 years old in 2025.
What condition is SR 73 SB over Greenfield Drive 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 July 2024.
How much traffic does SR 73 SB over Greenfield Drive carry?
About 25,000 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is SR 73 SB over Greenfield Drive?
The structure is 173 ft (52.6 m) long with a longest span of 170 ft (51.8 m) and a deck 59 ft wide.
Who owns SR 73 SB over Greenfield Drive?
It is owned by the State Highway Agency.