US Bridges

U.S. Highway 101 over Argyle Av & Franklin Av

Poor

Los Angeles County, California · 07-LA-101-7.06-LA · Structure no. 53 0680

Built
1953
72 years old, rebuilt 1977
Condition
Poor
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
602 ft
7 main spans
Daily traffic
175,000
2020 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Argyle Av & Franklin Av is a concrete continuous box beam or girders - multiple carrying U.S. Highway 101 over Argyle Av & Franklin Av in Los Angeles County, California. It was built in 1953 and reconstructed in 1977, so it is 72 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 175,000 vehicles a day, roughly 10% of them trucks, projected to reach 219,284 by 2042. The structure is 602 ft (183.5 m) long and 142 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 101
CrossesArgyle Av & Franklin Av
Location07-LA-101-7.06-LA
RouteU.S. Route 101
Coordinates34.10481, -118.32485
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 rating87.2 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length602 ft (183.5 m)
Longest span110 ft (33.5 m)
Deck width142 ft (43.3 m)
Roadway width138 ft (42.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175,000 (2020)
Projected traffic219,284 by 2042
Trucks10%
Lanes on structure9
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 Argyle Av & Franklin Av built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1977.

What condition is U.S. Highway 101 over Argyle Av & Franklin Av in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does U.S. Highway 101 over Argyle Av & Franklin Av carry?

About 175,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is U.S. Highway 101 over Argyle Av & Franklin Av?

The structure is 602 ft (183.5 m) long with a longest span of 110 ft (33.5 m) and a deck 142 ft wide.

Who owns U.S. Highway 101 over Argyle Av & Franklin Av?

It is owned by the State Highway Agency.