US Bridges

Laguna Canyon RD over San Diego Creek Channel

Good

Orange County, California · 100 S/O Barranca Pkwy · Structure no. 55C0581

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
214 ft
2 main spans
Daily traffic
5,100
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laguna Canyon RD over San Diego Creek Channel is a prestressed concrete continuous box beam or girders - multiple carrying Laguna Canyon RD over San Diego Creek Channel in Orange County, California. It was built in 1990, so it is 35 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 5,100 vehicles a day, roughly 7% of them trucks, projected to reach 8,000 by 2041. The structure is 214 ft (65.1 m) long and 102 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLaguna Canyon RD
CrossesSan Diego Creek Channel
Location100 S/O Barranca Pkwy
RouteCity Street 0
Coordinates33.66064, -117.76721
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal 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 loadHS 20 + Mod
Structure length214 ft (65.1 m)
Longest span105 ft (31.9 m)
Deck width102 ft (31.1 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2021)
Projected traffic8,000 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Laguna Canyon RD over San Diego Creek Channel built?

It was built in 1990, making it 35 years old in 2025.

What condition is Laguna Canyon RD over San Diego Creek 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 September 2024.

How much traffic does Laguna Canyon RD over San Diego Creek Channel carry?

About 5,100 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Laguna Canyon RD over San Diego Creek Channel?

The structure is 214 ft (65.1 m) long with a longest span of 105 ft (31.9 m) and a deck 102 ft wide.

Who owns Laguna Canyon RD over San Diego Creek Channel?

It is owned by the City or Municipal Highway Agency.