US Bridges

Washington ST-S163 over State Route 163

Good

San Diego County, California · 11-SD-163-2.79-SD · Structure no. 57 0221K

Built
1947
78 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
200 ft
4 main spans
Daily traffic
2,900
2016 count
Owner
State
State Highway Agency

About this bridge

Washington ST-S163 over State Route 163 is a concrete continuous tee beam carrying Washington ST-S163 over State Route 163 in San Diego County, California. It was built in 1947, so it is 78 years old, older 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 2,900 vehicles a day, roughly 1% of them trucks, projected to reach 5,379 by 2043. The structure is 200 ft (61 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington ST-S163
CrossesState Route 163
Location11-SD-163-2.79-SD
RouteState Highway 163
Coordinates32.75068, -117.15557
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating20.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61 m)
Longest span56 ft (17.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2016)
Projected traffic5,379 by 2043
Trucks1%
Lanes on structure1
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington ST-S163 over State Route 163 built?

It was built in 1947, making it 78 years old in 2025.

What condition is Washington ST-S163 over State Route 163 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 2025.

How much traffic does Washington ST-S163 over State Route 163 carry?

About 2,900 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Washington ST-S163 over State Route 163?

The structure is 200 ft (61 m) long with a longest span of 56 ft (17.1 m) and a deck 28 ft wide.

Who owns Washington ST-S163 over State Route 163?

It is owned by the State Highway Agency.