US Bridges

Four Gee Road over San Dieguito Riv Trib

Good

San Diego County, California · 0.1MI N/O Camino Del Sur · Structure no. 57C0792

Built
2003
22 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
51 ft
6 main spans
Daily traffic
1,678
2016 count
Owner
County
County Highway Agency

About this bridge

Four Gee Road over San Dieguito Riv Trib is a concrete continuous culvert carrying Four Gee Road over San Dieguito Riv Trib in San Diego County, California. It was built in 2003, so it is 22 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 1,678 vehicles a day, roughly 1% of them trucks, projected to reach 1,713 by 2040. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFour Gee Road
CrossesSan Dieguito Riv Trib
Location0.1MI N/O Camino Del Sur
RouteCity Street 0
Coordinates33.02331, -117.12238
Functional classRural 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 inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,678 (2016)
Projected traffic1,713 by 2040
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

OwnerCounty Highway Agency
Maintained byCounty 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 Four Gee Road over San Dieguito Riv Trib built?

It was built in 2003, making it 22 years old in 2025.

What condition is Four Gee Road over San Dieguito Riv 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 May 2023.

How much traffic does Four Gee Road over San Dieguito Riv Trib carry?

About 1,678 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Four Gee Road over San Dieguito Riv Trib?

The structure is 51 ft (15.5 m) long with a longest span of 8 ft (2.4 m).

Who owns Four Gee Road over San Dieguito Riv Trib?

It is owned by the County Highway Agency.