US Bridges

Friars RD over Murphy Canyon RD

Good

San Diego County, California · 0.15MI W/O RTE 15 · Structure no. 57C0188

Built
1967
58 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
149 ft
3 main spans
Daily traffic
36,628
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Friars RD over Murphy Canyon RD is a concrete continuous tee beam carrying Friars RD over Murphy Canyon RD 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 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 36,628 vehicles a day, roughly 1% of them trucks, projected to reach 38,590 by 2041. The structure is 149 ft (45.4 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFriars RD
CrossesMurphy Canyon RD
Location0.15MI W/O RTE 15
RouteCity Street 0
Coordinates32.78744, -117.11724
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span60 ft (18.3 m)
Deck width90 ft (27.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,628 (2020)
Projected traffic38,590 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Friars RD over Murphy Canyon RD built?

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

What condition is Friars RD over Murphy Canyon RD 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 September 2024.

How much traffic does Friars RD over Murphy Canyon RD carry?

About 36,628 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Friars RD over Murphy Canyon RD?

The structure is 149 ft (45.4 m) long with a longest span of 60 ft (18.3 m) and a deck 90 ft wide.

Who owns Friars RD over Murphy Canyon RD?

It is owned by the City or Municipal Highway Agency.