US Bridges

Interstate 5 over Lomas Santa Fe DR

Fair

San Diego County, California · 11-SD-005-R37.38-SOLB · Structure no. 57 0479

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
229,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Lomas Santa Fe DR is a concrete continuous box beam or girders - multiple carrying Interstate 5 over Lomas Santa Fe DR in San Diego County, California. It was built in 1963 and reconstructed in 2009, so it is 62 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 229,000 vehicles a day, roughly 8% of them trucks, projected to reach 370,694 by 2047. The structure is 130 ft (39.7 m) long and 266 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesInterstate 5
CrossesLomas Santa Fe DR
Location11-SD-005-R37.38-SOLB
RouteInterstate 5
CountySan Diego County
StateCalifornia
Coordinates32.99569, -117.25626
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 inspectionJanuary 2025
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 alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.7 m)
Longest span69 ft (21 m)
Deck width266 ft (81 m)
Roadway width261 ft (79.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic229,000 (2020)
Projected traffic370,694 by 2047
Trucks8%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 5 over Lomas Santa Fe DR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is Interstate 5 over Lomas Santa Fe DR 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 January 2025.

How much traffic does Interstate 5 over Lomas Santa Fe DR carry?

About 229,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Interstate 5 over Lomas Santa Fe DR?

The structure is 130 ft (39.7 m) long with a longest span of 69 ft (21 m) and a deck 266 ft wide.

Who owns Interstate 5 over Lomas Santa Fe DR?

It is owned by the State Highway Agency.