US Bridges

Laurel ST over State Route 163

Good

San Diego County, California · 0.2 MI E/O 6th Ave · Structure no. 57C0596

Built
1915
110 years old, rebuilt 2013
Condition
Good
inspected April 2024
Type
Arch - Deck
Concrete Continuous
Length
768 ft
9 main spans
Daily traffic
3,539
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laurel ST over State Route 163 is a concrete continuous arch - deck carrying Laurel ST over State Route 163 in San Diego County, California. It was built in 1915 and reconstructed in 2013, so it is 110 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 3,539 vehicles a day, roughly 1% of them trucks, projected to reach 8,500 by 2043. The structure is 768 ft (234 m) long and 41 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLaurel ST
CrossesState Route 163
Location0.2 MI E/O 6th Ave
RouteCity Street 0
Coordinates32.73138, -117.15589
Functional classUrban Collector

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 inspectionApril 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9 (+9 approach)
Design loadUnknown
Structure length768 ft (234 m)
Longest span68 ft (20.7 m)
Deck width41 ft (12.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,539 (2021)
Projected traffic8,500 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Laurel ST over State Route 163 built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 2013.

What condition is Laurel ST 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 April 2024.

How much traffic does Laurel ST over State Route 163 carry?

About 3,539 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Laurel ST over State Route 163?

The structure is 768 ft (234 m) long with a longest span of 68 ft (20.7 m) and a deck 41 ft wide.

Who owns Laurel ST over State Route 163?

It is owned by the City or Municipal Highway Agency.