US Bridges

State Route 163 over San Diego Ri W8-N163 Cam

Good

San Diego County, California · 11-SD-163-3.94-SD · Structure no. 57 0980S

Built
1989
36 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
596 ft
7 main spans
Daily traffic
20,500
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 163 over San Diego Ri W8-N163 Cam is a prestressed concrete continuous box beam or girders - multiple carrying State Route 163 over San Diego Ri W8-N163 Cam in San Diego County, California. It was built in 1989, so it is 36 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 20,500 vehicles a day, roughly 2% of them trucks, projected to reach 33,196 by 2045. The structure is 596 ft (181.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 163
CrossesSan Diego Ri W8-N163 Cam
Location11-SD-163-3.94-SD
RouteState Highway 163
Coordinates32.76514, -117.16241
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 inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length596 ft (181.6 m)
Longest span120 ft (36.6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2016)
Projected traffic33,196 by 2045
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 163 over San Diego Ri W8-N163 Cam built?

It was built in 1989, making it 36 years old in 2025.

What condition is State Route 163 over San Diego Ri W8-N163 Cam 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 January 2023.

How much traffic does State Route 163 over San Diego Ri W8-N163 Cam carry?

About 20,500 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is State Route 163 over San Diego Ri W8-N163 Cam?

The structure is 596 ft (181.6 m) long with a longest span of 120 ft (36.6 m) and a deck 28 ft wide.

Who owns State Route 163 over San Diego Ri W8-N163 Cam?

It is owned by the State Highway Agency.