US Bridges

State Route 163 over SR 52 & Connectors

Fair

San Diego County, California · 11-SD-163-9.63 · Structure no. 57 0923

Built
1988
37 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
384 ft
2 main spans
Daily traffic
137,000
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 163 over SR 52 & Connectors is a prestressed concrete continuous box beam or girders - multiple carrying State Route 163 over SR 52 & Connectors 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 137,000 vehicles a day, roughly 3% of them trucks, projected to reach 203,621 by 2043. The structure is 384 ft (117 m) long and 148 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesState Route 163
CrossesSR 52 & Connectors
Location11-SD-163-9.63
RouteState Highway 163
CountySan Diego County
StateCalifornia
Coordinates32.84077, -117.13357
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length384 ft (117 m)
Longest span212 ft (64.6 m)
Deck width148 ft (45.1 m)
Roadway width144 ft (43.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137,000 (2016)
Projected traffic203,621 by 2043
Trucks3%
Lanes on structure8
Traffic directionTwo-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 163 over SR 52 & Connectors built?

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

What condition is State Route 163 over SR 52 & Connectors 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 January 2025.

How much traffic does State Route 163 over SR 52 & Connectors carry?

About 137,000 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is State Route 163 over SR 52 & Connectors?

The structure is 384 ft (117 m) long with a longest span of 212 ft (64.6 m) and a deck 148 ft wide.

Who owns State Route 163 over SR 52 & Connectors?

It is owned by the State Highway Agency.