US Bridges

El Apajo over San Dieguito River Trib

Good

San Diego County, California · 20FT N/O San Dieguito RD · Structure no. 57C0568

Built
1981
44 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
11,034
2016 count
Owner
County
County Highway Agency

About this bridge

El Apajo over San Dieguito River Trib is a concrete culvert carrying El Apajo over San Dieguito River Trib in San Diego 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 11,034 vehicles a day, roughly 1% of them trucks, projected to reach 13,607 by 2038. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesEl Apajo
CrossesSan Dieguito River Trib
Location20FT N/O San Dieguito RD
RouteCity Street 0
Coordinates32.99621, -117.19213
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 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,034 (2016)
Projected traffic13,607 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was El Apajo over San Dieguito River Trib built?

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

What condition is El Apajo over San Dieguito River 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 2021.

How much traffic does El Apajo over San Dieguito River Trib carry?

About 11,034 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is El Apajo over San Dieguito River Trib?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns El Apajo over San Dieguito River Trib?

It is owned by the County Highway Agency.