US Bridges

Garden RD over Los Penasquitos Crk Trib

Good

San Diego County, California · 0.65MI E/O Poway RD · Structure no. 57C0364

Built
1972
53 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
4,200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Garden RD over Los Penasquitos Crk Trib is a concrete culvert carrying Garden RD over Los Penasquitos Crk Trib in San Diego County, California. It was built in 1972, so it is 53 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 4,200 vehicles a day, roughly 1% of them trucks, projected to reach 4,906 by 2046. The structure is 22 ft (6.7 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGarden RD
CrossesLos Penasquitos Crk Trib
Location0.65MI E/O Poway RD
RouteCity Street 0
Coordinates32.95611, -117.01285
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width63 ft (19.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2020)
Projected traffic4,906 by 2046
Trucks1%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Garden RD over Los Penasquitos Crk Trib built?

It was built in 1972, making it 53 years old in 2025.

What condition is Garden RD over Los Penasquitos Crk Trib 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 October 2024.

How much traffic does Garden RD over Los Penasquitos Crk Trib carry?

About 4,200 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Garden RD over Los Penasquitos Crk Trib?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 63 ft wide.

Who owns Garden RD over Los Penasquitos Crk Trib?

It is owned by the City or Municipal Highway Agency.