US Bridges

Rancho Drive over Poggi Canyon

Good

San Diego County, California · 0.45 MI W/O Melrose Ave · Structure no. 57C0662

Built
1975
50 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rancho Drive over Poggi Canyon is a concrete continuous culvert carrying Rancho Drive over Poggi Canyon in San Diego County, California. It was built in 1975, so it is 50 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 277 by 2045. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRancho Drive
CrossesPoggi Canyon
Location0.45 MI W/O Melrose Ave
RouteCity Street 0
Coordinates32.59171, -117.04198
Functional classUrban Local

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 inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic277 by 2045
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 Rancho Drive over Poggi Canyon built?

It was built in 1975, making it 50 years old in 2025.

What condition is Rancho Drive over Poggi Canyon 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 February 2023.

How much traffic does Rancho Drive over Poggi Canyon carry?

About 200 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Rancho Drive over Poggi Canyon?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Rancho Drive over Poggi Canyon?

It is owned by the City or Municipal Highway Agency.