US Bridges

Briarwood Road over State Route 54

Good

San Diego County, California · 11-SD-054-5.00-NATC · Structure no. 57 1003

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
248 ft
2 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

Briarwood Road over State Route 54 is a prestressed concrete continuous box beam or girders - multiple carrying Briarwood Road over State Route 54 in San Diego County, California. It was built in 1996, so it is 29 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 6,000 vehicles a day, roughly 1% of them trucks, projected to reach 10,236 by 2045. The structure is 248 ft (75.5 m) long and 103 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBriarwood Road
CrossesState Route 54
Location11-SD-054-5.00-NATC
RouteCity Street 0
Coordinates32.68176, -117.03062
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length248 ft (75.5 m)
Longest span151 ft (46.1 m)
Deck width103 ft (31.3 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic10,236 by 2045
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Briarwood Road over State Route 54 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Briarwood Road over State Route 54 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 July 2024.

How much traffic does Briarwood Road over State Route 54 carry?

About 6,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Briarwood Road over State Route 54?

The structure is 248 ft (75.5 m) long with a longest span of 151 ft (46.1 m) and a deck 103 ft wide.

Who owns Briarwood Road over State Route 54?

It is owned by the State Highway Agency.