US Bridges

Lake Road over San Diego Creek Channel

Good

Orange County, California · 0.2 MI SE Barranca Pkwy · Structure no. 55C0480

Built
1981
44 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
157 ft
2 main spans
Daily traffic
5,100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Road over San Diego Creek Channel is a concrete continuous box beam or girders - multiple carrying Lake Road over San Diego Creek Channel in Orange County, California. It was built in 1981, so it is 44 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 6,500 by 2040. The structure is 157 ft (47.8 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLake Road
CrossesSan Diego Creek Channel
Location0.2 MI SE Barranca Pkwy
RouteCity Street 0
Coordinates33.67787, -117.80272
Functional classUrban Collector

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 inspectionAugust 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating68.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length157 ft (47.8 m)
Longest span77 ft (23.6 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2018)
Projected traffic6,500 by 2040
Trucks7%
Lanes on structure2
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 Lake Road over San Diego Creek Channel built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lake Road 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 August 2023.

How much traffic does Lake Road over San Diego Creek Channel carry?

About 5,100 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Lake Road over San Diego Creek Channel?

The structure is 157 ft (47.8 m) long with a longest span of 77 ft (23.6 m) and a deck 60 ft wide.

Who owns Lake Road over San Diego Creek Channel?

It is owned by the City or Municipal Highway Agency.