US Bridges

Patrick Drive over Harbison Creek

Good

San Diego County, California · 130 Ft S/O Harbison Cyn · Structure no. 57C0712

Built
2003
22 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
120
2016 count
Owner
County
County Highway Agency

About this bridge

Patrick Drive over Harbison Creek is a prestressed concrete slab carrying Patrick Drive over Harbison Creek in San Diego County, California. It was built in 2003, so it is 22 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 120 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2040. The structure is 52 ft (15.7 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPatrick Drive
CrossesHarbison Creek
Location130 Ft S/O Harbison Cyn
RouteCity Street 0
Coordinates32.82451, -116.82601
Functional classUrban Local

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 protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 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

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.7 m)
Longest span45 ft (13.7 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2016)
Projected traffic150 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Patrick Drive over Harbison Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Patrick Drive over Harbison 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 May 2023.

How much traffic does Patrick Drive over Harbison Creek carry?

About 120 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Patrick Drive over Harbison Creek?

The structure is 52 ft (15.7 m) long with a longest span of 45 ft (13.7 m) and a deck 29 ft wide.

Who owns Patrick Drive over Harbison Creek?

It is owned by the County Highway Agency.