US Bridges

Friars RD over Mission Center RD

Fair

San Diego County, California · 0.5MI E/O SR-163 · Structure no. 57C0291

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
164 ft
1 main span
Daily traffic
37,167
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Friars RD over Mission Center RD is a prestressed concrete box beam or girders - multiple carrying Friars RD over Mission Center RD in San Diego County, California. It was built in 1968, so it is 57 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 37,167 vehicles a day, roughly 1% of them trucks, projected to reach 39,167 by 2041. The structure is 164 ft (50 m) long and 100 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFriars RD
CrossesMission Center RD
Location0.5MI E/O SR-163
RouteCity Street 0
Coordinates32.77457, -117.15414
Functional classUrban Other Principal Arterial

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.
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 evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length164 ft (50 m)
Longest span98 ft (29.9 m)
Deck width100 ft (30.5 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,167 (2020)
Projected traffic39,167 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Mission Center RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is Friars RD over Mission Center RD 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 September 2024.

How much traffic does Friars RD over Mission Center RD carry?

About 37,167 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Friars RD over Mission Center RD?

The structure is 164 ft (50 m) long with a longest span of 98 ft (29.9 m) and a deck 100 ft wide.

Who owns Friars RD over Mission Center RD?

It is owned by the City or Municipal Highway Agency.