US Bridges

Pico Canyon Lyons over Interstate 5

Good

Los Angeles County, California · 07-LA-005-R50.33 · Structure no. 53 1783

Built
1967
58 years old, rebuilt 1992
Condition
Good
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
318 ft
2 main spans
Daily traffic
20,288
2018 count
Owner
State
State Highway Agency

About this bridge

Pico Canyon Lyons over Interstate 5 is a steel stringer/multi-beam or girder carrying Pico Canyon Lyons over Interstate 5 in Los Angeles County, California. It was built in 1967 and reconstructed in 1992, 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 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 20,288 vehicles a day, roughly 3% of them trucks, projected to reach 27,803 by 2047. The structure is 318 ft (97 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPico Canyon Lyons
CrossesInterstate 5
Location07-LA-005-R50.33
RouteCity Street 0Q055
Coordinates34.37871, -118.566
Functional classUrban Collector

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 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length318 ft (97 m)
Longest span160 ft (48.7 m)
Deck width100 ft (30.5 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,288 (2018)
Projected traffic27,803 by 2047
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Pico Canyon Lyons over Interstate 5 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1992.

What condition is Pico Canyon Lyons over Interstate 5 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 2025.

How much traffic does Pico Canyon Lyons over Interstate 5 carry?

About 20,288 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Pico Canyon Lyons over Interstate 5?

The structure is 318 ft (97 m) long with a longest span of 160 ft (48.7 m) and a deck 100 ft wide.

Who owns Pico Canyon Lyons over Interstate 5?

It is owned by the State Highway Agency.