US Bridges

Bolsa Chica RD over Route 405

Good

Orange County, California · 12-ORA-405-20.65-WTM · Structure no. 55 1113

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
266 ft
2 main spans
Daily traffic
20,000
2024 count
Owner
State
State Highway Agency

About this bridge

Bolsa Chica RD over Route 405 is a prestressed concrete continuous stringer/multi-beam or girder carrying Bolsa Chica RD over Route 405 in Orange County, California. It was built in 2024, so it is 1 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 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 25,000 by 2044. The structure is 266 ft (81.1 m) long and 145 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBolsa Chica RD
CrossesRoute 405
Location12-ORA-405-20.65-WTM
RouteCity Street 0
Coordinates33.77294, -118.03939
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length266 ft (81.1 m)
Longest span147 ft (44.7 m)
Deck width145 ft (44.3 m)
Roadway width139 ft (42.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2024)
Projected traffic25,000 by 2044
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bolsa Chica RD over Route 405 built?

It was built in 2024, making it 1 years old in 2025.

What condition is Bolsa Chica RD over Route 405 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 2024.

How much traffic does Bolsa Chica RD over Route 405 carry?

About 20,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Bolsa Chica RD over Route 405?

The structure is 266 ft (81.1 m) long with a longest span of 147 ft (44.7 m) and a deck 145 ft wide.

Who owns Bolsa Chica RD over Route 405?

It is owned by the State Highway Agency.