US Bridges

State Route 52 EB over Interstate 15 Ramps

Fair

San Diego County, California · 11-SD-052-7.33-SD · Structure no. 57 0966R

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
412 ft
4 main spans
Daily traffic
51,000
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 52 EB over Interstate 15 Ramps is a prestressed concrete continuous box beam or girders - single or spread carrying State Route 52 EB over Interstate 15 Ramps in San Diego County, California. It was built in 1988, so it is 37 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 51,000 vehicles a day, roughly 3% of them trucks, projected to reach 77,468 by 2043. The structure is 412 ft (125.6 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 52 EB
CrossesInterstate 15 Ramps
Location11-SD-052-7.33-SD
RouteState Highway 52
Coordinates32.84168, -117.12072
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length412 ft (125.6 m)
Longest span119 ft (36.3 m)
Deck width66 ft (20.1 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deck23 ft (7.1 m)

Traffic and service

Average daily traffic51,000 (2019)
Projected traffic77,468 by 2043
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 52 EB over Interstate 15 Ramps built?

It was built in 1988, making it 37 years old in 2025.

What condition is State Route 52 EB over Interstate 15 Ramps in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does State Route 52 EB over Interstate 15 Ramps carry?

About 51,000 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is State Route 52 EB over Interstate 15 Ramps?

The structure is 412 ft (125.6 m) long with a longest span of 119 ft (36.3 m) and a deck 66 ft wide.

Who owns State Route 52 EB over Interstate 15 Ramps?

It is owned by the State Highway Agency.