US Bridges

Interstate 15 NB over Country Club Lane

Good

San Diego County, California · 11-SD-015-R33.57-ESD · Structure no. 57 0819R

Built
1977
48 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
198 ft
2 main spans
Daily traffic
62,500
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 NB over Country Club Lane is a concrete continuous box beam or girders - multiple carrying Interstate 15 NB over Country Club Lane in San Diego County, California. It was built in 1977, so it is 48 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 62,500 vehicles a day, roughly 10% of them trucks, projected to reach 99,500 by 2042. The structure is 198 ft (60.4 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 15 NB
CrossesCountry Club Lane
Location11-SD-015-R33.57-ESD
RouteInterstate 15
CountySan Diego County
StateCalifornia
Coordinates33.15695, -117.10391
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span106 ft (32.3 m)
Deck width70 ft (21.2 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,500 (2018)
Projected traffic99,500 by 2042
Trucks10%
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 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 15 NB over Country Club Lane built?

It was built in 1977, making it 48 years old in 2025.

What condition is Interstate 15 NB over Country Club Lane 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 March 2024.

How much traffic does Interstate 15 NB over Country Club Lane carry?

About 62,500 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Interstate 15 NB over Country Club Lane?

The structure is 198 ft (60.4 m) long with a longest span of 106 ft (32.3 m) and a deck 70 ft wide.

Who owns Interstate 15 NB over Country Club Lane?

It is owned by the State Highway Agency.