US Bridges

Weldon Canyon Oc over Interstate 5

Good

Los Angeles County, California · 07-LA-005-R46.58 · Structure no. 53 1796

Built
1967
58 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
220 ft
2 main spans
Daily traffic
812
2018 count
Owner
State
State Highway Agency

About this bridge

Weldon Canyon Oc over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Weldon Canyon Oc over Interstate 5 in Los Angeles 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 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 812 vehicles a day, roughly 1% of them trucks, projected to reach 1,091 by 2047. The structure is 220 ft (67.1 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWeldon Canyon Oc
CrossesInterstate 5
Location07-LA-005-R46.58
RouteCounty Highway 0
Coordinates34.34071, -118.52286
Functional classUrban Local

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 inspectionFebruary 2025
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 alignment6: Equal to present minimum criteria
Operating rating68.2 US tons
Inventory rating52.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span110 ft (33.4 m)
Deck width40 ft (12.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic812 (2018)
Projected traffic1,091 by 2047
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 Weldon Canyon Oc over Interstate 5 built?

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

What condition is Weldon Canyon Oc 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 February 2025.

How much traffic does Weldon Canyon Oc over Interstate 5 carry?

About 812 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Weldon Canyon Oc over Interstate 5?

The structure is 220 ft (67.1 m) long with a longest span of 110 ft (33.4 m) and a deck 40 ft wide.

Who owns Weldon Canyon Oc over Interstate 5?

It is owned by the State Highway Agency.