US Bridges

Interstate 5 over El Horno Creek

Good

Orange County, California · 12-ORA-005-9.51-SJCP · Structure no. 55 0330

Built
1958
67 years old, rebuilt 1969
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
162,000
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over El Horno Creek is a concrete continuous culvert carrying Interstate 5 over El Horno Creek in Orange County, California. It was built in 1958 and reconstructed in 1969, so it is 67 years old, older 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 162,000 vehicles a day, roughly 7% of them trucks, projected to reach 298,413 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesEl Horno Creek
Location12-ORA-005-9.51-SJCP
RouteInterstate 5
Coordinates33.50088, -117.65816
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic162,000 (2022)
Projected traffic298,413 by 2044
Trucks7%
Lanes on structure12
Traffic directionTwo-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 El Horno Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1969.

What condition is Interstate 5 over El Horno Creek 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 June 2024.

How much traffic does Interstate 5 over El Horno Creek carry?

About 162,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Interstate 5 over El Horno Creek?

The structure is 22 ft (6.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Interstate 5 over El Horno Creek?

It is owned by the State Highway Agency.