US Bridges

Las Virgenes RD over Route 101

Fair

Los Angeles County, California · 07-LA-101-31.05 · Structure no. 53 1442

Built
1962
63 years old, rebuilt 1973
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
277 ft
4 main spans
Daily traffic
18,700
2018 count
Owner
State
State Highway Agency

About this bridge

Las Virgenes RD over Route 101 is a steel stringer/multi-beam or girder carrying Las Virgenes RD over Route 101 in Los Angeles County, California. It was built in 1962 and reconstructed in 1973, so it is 63 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 18,700 vehicles a day, roughly 1% of them trucks, projected to reach 29,116 by 2046. The structure is 277 ft (84.4 m) long and 101 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLas Virgenes RD
CrossesRoute 101
Location07-LA-101-31.05
RouteCounty Highway 0L839
Coordinates34.14824, -118.69767
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length277 ft (84.4 m)
Longest span105 ft (32 m)
Deck width101 ft (30.8 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,700 (2018)
Projected traffic29,116 by 2046
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Las Virgenes RD over Route 101 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1973.

What condition is Las Virgenes RD over Route 101 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 May 2024.

How much traffic does Las Virgenes RD over Route 101 carry?

About 18,700 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Las Virgenes RD over Route 101?

The structure is 277 ft (84.4 m) long with a longest span of 105 ft (32 m) and a deck 101 ft wide.

Who owns Las Virgenes RD over Route 101?

It is owned by the State Highway Agency.