US Bridges

Interstate 805 over Federal Blvd

Fair

San Diego County, California · 11-SD-805-13.59-SD · Structure no. 57 0668

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
132 ft
1 main span
Daily traffic
175,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 805 over Federal Blvd is a prestressed concrete box beam or girders - multiple carrying Interstate 805 over Federal Blvd in San Diego County, California. It was built in 1974, so it is 51 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 6 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 175,000 vehicles a day, roughly 7% of them trucks, projected to reach 323,000 by 2042. The structure is 132 ft (40.2 m) long and 148 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesInterstate 805
CrossesFederal Blvd
Location11-SD-805-13.59-SD
RouteInterstate 805
CountySan Diego County
StateCalifornia
Coordinates32.7205, -117.1027
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span132 ft (40.2 m)
Deck width148 ft (45.1 m)
Roadway width144 ft (43.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175,000 (2020)
Projected traffic323,000 by 2042
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 805 over Federal Blvd built?

It was built in 1974, making it 51 years old in 2025.

What condition is Interstate 805 over Federal Blvd 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 2024.

How much traffic does Interstate 805 over Federal Blvd carry?

About 175,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Interstate 805 over Federal Blvd?

The structure is 132 ft (40.2 m) long with a longest span of 132 ft (40.2 m) and a deck 148 ft wide.

Who owns Interstate 805 over Federal Blvd?

It is owned by the State Highway Agency.