US Bridges

405-73 Hov Conn over Interstate 405

Good

Orange County, California · 12-ORA-405-10.23-CMS · Structure no. 55 1129E

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,195 ft
8 main spans
Daily traffic
2,016
2024 count
Owner
State
State Highway Agency

About this bridge

405-73 Hov Conn over Interstate 405 is a prestressed concrete continuous box beam or girders - multiple carrying 405-73 Hov Conn over Interstate 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 2,016 vehicles a day, roughly 1% of them trucks, projected to reach 2,716 by 2044. The structure is 1,195 ft (364.1 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries405-73 Hov Conn
CrossesInterstate 405
Location12-ORA-405-10.23-CMS
RouteInterstate 405
Coordinates33.68719, -117.89861
Functional classUrban Principal Arterial - Interstate

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 spans8
Design loadHL 93
Structure length1,195 ft (364.1 m)
Longest span180 ft (54.9 m)
Deck width69 ft (21 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,016 (2024)
Projected traffic2,716 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 405-73 Hov Conn over Interstate 405 built?

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

What condition is 405-73 Hov Conn over Interstate 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 405-73 Hov Conn over Interstate 405 carry?

About 2,016 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 405-73 Hov Conn over Interstate 405?

The structure is 1,195 ft (364.1 m) long with a longest span of 180 ft (54.9 m) and a deck 69 ft wide.

Who owns 405-73 Hov Conn over Interstate 405?

It is owned by the State Highway Agency.