US Bridges

Riverside Drive over San Diego Rvr Tributary

Good

San Diego County, California · 0.15 MI E/O Riverford Rd. · Structure no. 57C0730

Built
1984
41 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
42 ft
5 main spans
Daily traffic
6,330
2023 count
Owner
County
County Highway Agency

About this bridge

Riverside Drive over San Diego Rvr Tributary is a concrete culvert carrying Riverside Drive over San Diego Rvr Tributary in San Diego County, California. It was built in 1984, so it is 41 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 6,330 vehicles a day, roughly 1% of them trucks, projected to reach 8,375 by 2045. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRiverside Drive
CrossesSan Diego Rvr Tributary
Location0.15 MI E/O Riverford Rd.
RouteCity Street 0
Coordinates32.86142, -116.94484
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 inspectionSeptember 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
DeckNot applicable
Main spans5
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span6 ft (1.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,330 (2023)
Projected traffic8,375 by 2045
Trucks1%
Lanes on structure3
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 Riverside Drive over San Diego Rvr Tributary built?

It was built in 1984, making it 41 years old in 2025.

What condition is Riverside Drive over San Diego Rvr Tributary 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 September 2023.

How much traffic does Riverside Drive over San Diego Rvr Tributary carry?

About 6,330 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Riverside Drive over San Diego Rvr Tributary?

The structure is 42 ft (12.8 m) long with a longest span of 6 ft (1.7 m).

Who owns Riverside Drive over San Diego Rvr Tributary?

It is owned by the County Highway Agency.