US Bridges

Interstate 5 over Aliso Creek

Fair

San Diego County, California · 11-SD-005-R59.62-OCN · Structure no. 57 0006L

Built
1967
58 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
96 ft
2 main spans
Daily traffic
66,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Aliso Creek is a concrete continuous tee beam carrying Interstate 5 over Aliso Creek in San Diego County, California. It was built in 1967, so it is 58 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 66,000 vehicles a day, projected to reach 102,527 by 2041. The structure is 96 ft (29.3 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 5
CrossesAliso Creek
Location11-SD-005-R59.62-OCN
RouteInterstate 5
CountySan Diego County
StateCalifornia
Coordinates33.27019, -117.43939
Functional classRural 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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span47 ft (14.3 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,000 (2020)
Projected traffic102,527 by 2041
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 5 over Aliso Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 5 over Aliso Creek 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 February 2024.

How much traffic does Interstate 5 over Aliso Creek carry?

About 66,000 vehicles per day (2020 count).

How long is Interstate 5 over Aliso Creek?

The structure is 96 ft (29.3 m) long with a longest span of 47 ft (14.3 m) and a deck 68 ft wide.

Who owns Interstate 5 over Aliso Creek?

It is owned by the State Highway Agency.