US Bridges

Rancho Del Madison over San Dieguito River Trib

Good

San Diego County, California · 50FT W/O El Camino Real · Structure no. 57C0397

Built
1975
50 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
88
2016 count
Owner
County
County Highway Agency

About this bridge

Rancho Del Madison over San Dieguito River Trib is a concrete culvert carrying Rancho Del Madison over San Dieguito River Trib 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 88 vehicles a day, projected to reach 129 by 2038. The structure is 23 ft (7 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRancho Del Madison
CrossesSan Dieguito River Trib
Location50FT W/O El Camino Real
RouteCity Street 0
Coordinates32.98478, -117.22693
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 protection7 GoodSome minor problems.
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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2016)
Projected traffic129 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Rancho Del Madison over San Dieguito River Trib built?

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

What condition is Rancho Del Madison 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 Rancho Del Madison over San Dieguito River Trib carry?

About 88 vehicles per day (2016 count).

How long is Rancho Del Madison over San Dieguito River Trib?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns Rancho Del Madison over San Dieguito River Trib?

It is owned by the County Highway Agency.