US Bridges

Los Hills RD over Route 101

Good

Los Angeles County, California · 07-LA-101-31.91 · Structure no. 53 3086

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
226 ft
3 main spans
Daily traffic
7,000
2020 count
Owner
State
State Highway Agency

About this bridge

Los Hills RD over Route 101 is a prestressed concrete stringer/multi-beam or girder carrying Los Hills RD over Route 101 in Los Angeles County, California. It was built in 2018, so it is 7 years old, younger 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 7,000 vehicles a day, roughly 1% of them trucks, projected to reach 9,022 by 2046. The structure is 226 ft (69 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLos Hills RD
CrossesRoute 101
Location07-LA-101-31.91
RouteCounty Highway 0W485
Coordinates34.14064, -118.70942
Functional classRural Minor Arterial

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 inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHL 93
Structure length226 ft (69 m)
Longest span91 ft (27.6 m)
Deck width79 ft (24 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2020)
Projected traffic9,022 by 2046
Trucks1%
Lanes on structure5
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 Los Hills RD over Route 101 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Los Hills RD over Route 101 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 May 2024.

How much traffic does Los Hills RD over Route 101 carry?

About 7,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Los Hills RD over Route 101?

The structure is 226 ft (69 m) long with a longest span of 91 ft (27.6 m) and a deck 79 ft wide.

Who owns Los Hills RD over Route 101?

It is owned by the State Highway Agency.