US Bridges

U.S. Highway 101 over Holly DR

Good

Los Angeles County, California · 07-LA-101-7.38-LA · Structure no. 53 0801

Built
1952
73 years old
Condition
Good
inspected February 2024
Type
Arch - Deck
Concrete
Length
43 ft
1 main span
Daily traffic
154,000
2018 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Holly DR is a concrete arch - deck carrying U.S. Highway 101 over Holly DR in Los Angeles County, California. It was built in 1952, so it is 73 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 154,000 vehicles a day, roughly 10% of them trucks, projected to reach 208,225 by 2042. The structure is 43 ft (13.1 m) long and 305 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 101
CrossesHolly DR
Location07-LA-101-7.38-LA
RouteU.S. Route 101
Coordinates34.10756, -118.3295
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating110 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1 (+1 approach)
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span38 ft (11.6 m)
Deck width305 ft (92.9 m)
Roadway width249 ft (76 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154,000 (2018)
Projected traffic208,225 by 2042
Trucks10%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Highway 101 over Holly DR built?

It was built in 1952, making it 73 years old in 2025.

What condition is U.S. Highway 101 over Holly DR 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 2024.

How much traffic does U.S. Highway 101 over Holly DR carry?

About 154,000 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is U.S. Highway 101 over Holly DR?

The structure is 43 ft (13.1 m) long with a longest span of 38 ft (11.6 m) and a deck 305 ft wide.

Who owns U.S. Highway 101 over Holly DR?

It is owned by the State Highway Agency.