US Bridges

N15-N805 Connector over I-15 S15-S805 Connector

Fair

San Diego County, California · 11-SD-015-M3.86-SD · Structure no. 57 0609G

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
586 ft
2 main spans
Daily traffic
15,000
2019 count
Owner
State
State Highway Agency

About this bridge

N15-N805 Connector over I-15 S15-S805 Connector is a prestressed concrete continuous box beam or girders - multiple carrying N15-N805 Connector over I-15 S15-S805 Connector in San Diego County, California. It was built in 1970, so it is 55 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 15,000 vehicles a day, roughly 2% of them trucks, projected to reach 20,814 by 2041. The structure is 586 ft (178.6 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN15-N805 Connector
CrossesI-15 S15-S805 Connector
Location11-SD-015-M3.86-SD
RouteInterstate 15
CountySan Diego County
StateCalifornia
Coordinates32.73853, -117.11299
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length586 ft (178.6 m)
Longest span180 ft (54.9 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2019)
Projected traffic20,814 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 N15-N805 Connector over I-15 S15-S805 Connector built?

It was built in 1970, making it 55 years old in 2025.

What condition is N15-N805 Connector over I-15 S15-S805 Connector 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 N15-N805 Connector over I-15 S15-S805 Connector carry?

About 15,000 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is N15-N805 Connector over I-15 S15-S805 Connector?

The structure is 586 ft (178.6 m) long with a longest span of 180 ft (54.9 m) and a deck 40 ft wide.

Who owns N15-N805 Connector over I-15 S15-S805 Connector?

It is owned by the State Highway Agency.