US Bridges

Carlsbad Blvd SB over Las Encinas Creek

Good

San Diego County, California · 0.6 MI S/O Palomar Arprt · Structure no. 57C0790L

Built
2010
15 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
38 ft
10 main spans
Daily traffic
11,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carlsbad Blvd SB over Las Encinas Creek is a concrete culvert carrying Carlsbad Blvd SB over Las Encinas Creek in San Diego County, California. It was built in 2010, so it is 15 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 11,000 vehicles a day, roughly 1% of them trucks, projected to reach 16,269 by 2039. The structure is 38 ft (11.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCarlsbad Blvd SB
CrossesLas Encinas Creek
Location0.6 MI S/O Palomar Arprt
RouteCity Street 0
Coordinates33.11581, -117.32498
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans10
Design loadHS 20 + Mod
Structure length38 ft (11.7 m)
Longest span36 ft (11 m)
Deck width40 ft (12.2 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2017)
Projected traffic16,269 by 2039
Trucks1%
Lanes on structure2
Traffic directionOne-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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carlsbad Blvd SB over Las Encinas Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Carlsbad Blvd SB over Las Encinas Creek 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 2021.

How much traffic does Carlsbad Blvd SB over Las Encinas Creek carry?

About 11,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Carlsbad Blvd SB over Las Encinas Creek?

The structure is 38 ft (11.7 m) long with a longest span of 36 ft (11 m) and a deck 40 ft wide.

Who owns Carlsbad Blvd SB over Las Encinas Creek?

It is owned by the City or Municipal Highway Agency.