US Bridges

Los Alisos Blvd over English Canyon Channel

Good

Orange County, California · 0.6 Mi. W/O Trabuco Road · Structure no. 55C0395

Built
1969
56 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
29,695
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Los Alisos Blvd over English Canyon Channel is a concrete culvert carrying Los Alisos Blvd over English Canyon Channel in Orange County, California. It was built in 1969, so it is 56 years old, older 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 29,695 vehicles a day, roughly 1% of them trucks, projected to reach 43,857 by 2042. The structure is 23 ft (7 m) long and 151 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLos Alisos Blvd
CrossesEnglish Canyon Channel
Location0.6 Mi. W/O Trabuco Road
RouteCity Street 0
Coordinates33.62654, -117.6752
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span23 ft (6.9 m)
Deck width151 ft (46 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,695 (2020)
Projected traffic43,857 by 2042
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Los Alisos Blvd over English Canyon Channel built?

It was built in 1969, making it 56 years old in 2025.

What condition is Los Alisos Blvd over English Canyon Channel 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 May 2024.

How much traffic does Los Alisos Blvd over English Canyon Channel carry?

About 29,695 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Los Alisos Blvd over English Canyon Channel?

The structure is 23 ft (7 m) long with a longest span of 23 ft (6.9 m) and a deck 151 ft wide.

Who owns Los Alisos Blvd over English Canyon Channel?

It is owned by the City or Municipal Highway Agency.