US Bridges

Interstate 15 SB over Citracado Parkway

Good

San Diego County, California · 11-SD-015-R28.77-ESD · Structure no. 57 0806L

Built
1977
48 years old, rebuilt 2011
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
315 ft
2 main spans
Daily traffic
99,500
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 SB over Citracado Parkway is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 15 SB over Citracado Parkway in San Diego County, California. It was built in 1977 and reconstructed in 2011, 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 99,500 vehicles a day, roughly 7% of them trucks, projected to reach 174,844 by 2042. The structure is 315 ft (95.9 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 15 SB
CrossesCitracado Parkway
Location11-SD-015-R28.77-ESD
RouteInterstate 15
Coordinates33.0922, -117.08244
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 inspectionNovember 2023
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 rating110 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length315 ft (95.9 m)
Longest span157 ft (47.8 m)
Deck width94 ft (28.5 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,500 (2017)
Projected traffic174,844 by 2042
Trucks7%
Lanes on structure6
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 SB over Citracado Parkway built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2011.

What condition is Interstate 15 SB over Citracado Parkway 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 November 2023.

How much traffic does Interstate 15 SB over Citracado Parkway carry?

About 99,500 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Interstate 15 SB over Citracado Parkway?

The structure is 315 ft (95.9 m) long with a longest span of 157 ft (47.8 m) and a deck 94 ft wide.

Who owns Interstate 15 SB over Citracado Parkway?

It is owned by the State Highway Agency.