US Bridges

S101-GOWER ST Off over Argyle AV-S101 On-Ramp

Good

Los Angeles County, California · 07-LA-101-7.04-LA · Structure no. 53 0865K

Built
1977
48 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
292 ft
3 main spans
Daily traffic
11,000
2020 count
Owner
State
State Highway Agency

About this bridge

S101-GOWER ST Off over Argyle AV-S101 On-Ramp is a prestressed concrete continuous box beam or girders - multiple carrying S101-GOWER ST Off over Argyle AV-S101 On-Ramp in Los Angeles County, California. It was built in 1977, so it is 48 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 11,000 vehicles a day, roughly 2% of them trucks, projected to reach 15,664 by 2042. The structure is 292 ft (89 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS101-GOWER ST Off
CrossesArgyle AV-S101 On-Ramp
Location07-LA-101-7.04-LA
RouteU.S. Route 101
CountyLos Angeles County
StateCalifornia
Coordinates34.10411, -118.32378
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
Deck7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length292 ft (89 m)
Longest span151 ft (46 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic15,664 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 S101-GOWER ST Off over Argyle AV-S101 On-Ramp built?

It was built in 1977, making it 48 years old in 2025.

What condition is S101-GOWER ST Off over Argyle AV-S101 On-Ramp 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 S101-GOWER ST Off over Argyle AV-S101 On-Ramp carry?

About 11,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is S101-GOWER ST Off over Argyle AV-S101 On-Ramp?

The structure is 292 ft (89 m) long with a longest span of 151 ft (46 m) and a deck 28 ft wide.

Who owns S101-GOWER ST Off over Argyle AV-S101 On-Ramp?

It is owned by the State Highway Agency.