US Bridges

State Route 52 EB over San Clemente Creek

Good

San Diego County, California · 11-SD-052-3.85-SD · Structure no. 57 0921R

Built
1987
38 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
133 ft
1 main span
Daily traffic
50,500
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 52 EB over San Clemente Creek is a prestressed concrete box beam or girders - single or spread carrying State Route 52 EB over San Clemente Creek in San Diego County, California. It was built in 1987, so it is 38 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 50,500 vehicles a day, roughly 4% of them trucks, projected to reach 57,431 by 2043. The structure is 133 ft (40.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 52 EB
CrossesSan Clemente Creek
Location11-SD-052-3.85-SD
RouteState Highway 52
Coordinates32.8472, -117.17624
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span131 ft (39.9 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deck24 ft (7.3 m)

Traffic and service

Average daily traffic50,500 (2019)
Projected traffic57,431 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 52 EB over San Clemente Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is State Route 52 EB over San Clemente Creek 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 February 2025.

How much traffic does State Route 52 EB over San Clemente Creek carry?

About 50,500 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is State Route 52 EB over San Clemente Creek?

The structure is 133 ft (40.5 m) long with a longest span of 131 ft (39.9 m) and a deck 42 ft wide.

Who owns State Route 52 EB over San Clemente Creek?

It is owned by the State Highway Agency.