US Bridges

State Route 52 WB over Interstate 15 Ramps

Good

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

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

About this bridge

State Route 52 WB over Interstate 15 Ramps is a prestressed concrete continuous box beam or girders - single or spread carrying State Route 52 WB 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 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 51,000 vehicles a day, roughly 3% of them trucks, projected to reach 77,468 by 2043. The structure is 423 ft (128.9 m) long and 95 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 52 WB
CrossesInterstate 15 Ramps
Location11-SD-052-7.33-SD
RouteState Highway 52
Coordinates32.84205, -117.12058
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.6 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length423 ft (128.9 m)
Longest span119 ft (36.3 m)
Deck width95 ft (29 m)
Roadway width90 ft (27.3 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic51,000 (2019)
Projected traffic77,468 by 2043
Trucks3%
Lanes on structure5
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 WB over Interstate 15 Ramps built?

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

What condition is State Route 52 WB over Interstate 15 Ramps 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 State Route 52 WB 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 WB over Interstate 15 Ramps?

The structure is 423 ft (128.9 m) long with a longest span of 119 ft (36.3 m) and a deck 95 ft wide.

Who owns State Route 52 WB over Interstate 15 Ramps?

It is owned by the State Highway Agency.