US Bridges

S15-S5 Connector over I-5 I-15 Ramps National

Fair

San Diego County, California · 11-SD-015-R0.12L-SD · Structure no. 57 0732F

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
3,393 ft
9 main spans
Daily traffic
35,000
2020 count
Owner
State
State Highway Agency

About this bridge

S15-S5 Connector over I-5 I-15 Ramps National is a prestressed concrete continuous box beam or girders - single or spread carrying S15-S5 Connector over I-5 I-15 Ramps National in San Diego County, California. It was built in 1978, so it is 47 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 35,000 vehicles a day, roughly 2% of them trucks, projected to reach 39,500 by 2041. The structure is 3,393 ft (1,034.2 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS15-S5 Connector
CrossesI-5 I-15 Ramps National
Location11-SD-015-R0.12L-SD
RouteState Highway 15
CountySan Diego County
StateCalifornia
Coordinates32.68864, -117.11618
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9 (+15 approach)
Design loadHS 20
Structure length3,393 ft (1,034.2 m)
Longest span212 ft (64.6 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2020)
Projected traffic39,500 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 S15-S5 Connector over I-5 I-15 Ramps National built?

It was built in 1978, making it 47 years old in 2025.

What condition is S15-S5 Connector over I-5 I-15 Ramps National 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 March 2023.

How much traffic does S15-S5 Connector over I-5 I-15 Ramps National carry?

About 35,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is S15-S5 Connector over I-5 I-15 Ramps National?

The structure is 3,393 ft (1,034.2 m) long with a longest span of 212 ft (64.6 m) and a deck 42 ft wide.

Who owns S15-S5 Connector over I-5 I-15 Ramps National?

It is owned by the State Highway Agency.