US Bridges

Friars Road over ROUTE15

Fair

San Diego County, California · 11-SD-015-R6.82-SD · Structure no. 57 0626

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
454 ft
4 main spans
Daily traffic
36,000
2020 count
Owner
State
State Highway Agency

About this bridge

Friars Road over ROUTE15 is a concrete continuous box beam or girders - multiple carrying Friars Road over ROUTE15 in San Diego County, California. It was built in 1967, so it is 58 years old, older 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 36,000 vehicles a day, roughly 3% of them trucks, projected to reach 39,658 by 2041. The structure is 454 ft (138.4 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFriars Road
CrossesROUTE15
Location11-SD-015-R6.82-SD
RouteCity Street 0S110
CountySan Diego County
StateCalifornia
Coordinates32.78799, -117.11482
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating55.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length454 ft (138.4 m)
Longest span137 ft (41.8 m)
Deck width100 ft (30.6 m)
Roadway width98 ft (30 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,000 (2020)
Projected traffic39,658 by 2041
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Friars Road over ROUTE15 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Friars Road over ROUTE15 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 July 2023.

How much traffic does Friars Road over ROUTE15 carry?

About 36,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Friars Road over ROUTE15?

The structure is 454 ft (138.4 m) long with a longest span of 137 ft (41.8 m) and a deck 100 ft wide.

Who owns Friars Road over ROUTE15?

It is owned by the State Highway Agency.