US Bridges

Ave. Vista Hermosa over Marblehead Canyon

Good

Orange County, California · 0.3 S/O Interstate 5 · Structure no. 55C0711

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
400 ft
3 main spans
Daily traffic
9,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ave. Vista Hermosa over Marblehead Canyon is a prestressed concrete continuous box beam or girders - multiple carrying Ave. Vista Hermosa over Marblehead Canyon in Orange County, California. It was built in 2009, so it is 16 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 9,000 vehicles a day, roughly 3% of them trucks, projected to reach 13,000 by 2040. The structure is 400 ft (121.9 m) long and 102 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAve. Vista Hermosa
CrossesMarblehead Canyon
Location0.3 S/O Interstate 5
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.44004, -117.63067
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length400 ft (121.9 m)
Longest span172 ft (52.4 m)
Deck width102 ft (31.2 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2017)
Projected traffic13,000 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ave. Vista Hermosa over Marblehead Canyon built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ave. Vista Hermosa over Marblehead Canyon 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 June 2023.

How much traffic does Ave. Vista Hermosa over Marblehead Canyon carry?

About 9,000 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Ave. Vista Hermosa over Marblehead Canyon?

The structure is 400 ft (121.9 m) long with a longest span of 172 ft (52.4 m) and a deck 102 ft wide.

Who owns Ave. Vista Hermosa over Marblehead Canyon?

It is owned by the City or Municipal Highway Agency.