US Bridges

Interstate 805 SB over State Route 52 & Ramps

Fair

San Diego County, California · 11-SD-805-23.58-SD · Structure no. 57 0685L

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
715 ft
6 main spans
Daily traffic
98,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 805 SB over State Route 52 & Ramps is a concrete continuous box beam or girders - multiple carrying Interstate 805 SB over State Route 52 & Ramps in San Diego County, California. It was built in 1972, so it is 53 years old, younger 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 98,000 vehicles a day, roughly 6% of them trucks, projected to reach 153,000 by 2042. The structure is 715 ft (217.9 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 805 SB
CrossesState Route 52 & Ramps
Location11-SD-805-23.58-SD
RouteInterstate 805
Coordinates32.84788, -117.17854
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length715 ft (217.9 m)
Longest span128 ft (39 m)
Deck width70 ft (21.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,000 (2020)
Projected traffic153,000 by 2042
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Interstate 805 SB over State Route 52 & Ramps built?

It was built in 1972, making it 53 years old in 2025.

What condition is Interstate 805 SB over State Route 52 & Ramps 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 Interstate 805 SB over State Route 52 & Ramps carry?

About 98,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Interstate 805 SB over State Route 52 & Ramps?

The structure is 715 ft (217.9 m) long with a longest span of 128 ft (39 m) and a deck 70 ft wide.

Who owns Interstate 805 SB over State Route 52 & Ramps?

It is owned by the State Highway Agency.