US Bridges

Soto ST-W10 Onramp over Metrolink & I 10 Busway

Good

Los Angeles County, California · 07-LA-010-19.20-LA · Structure no. 53 2062K

Built
1972
53 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
197 ft
4 main spans
Daily traffic
7,000
2017 count
Owner
State
State Highway Agency

About this bridge

Soto ST-W10 Onramp over Metrolink & I 10 Busway is a concrete continuous box beam or girders - multiple carrying Soto ST-W10 Onramp over Metrolink & I 10 Busway in Los Angeles County, California. It was built in 1972, so it is 53 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 8,337 by 2040. The structure is 197 ft (60 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSoto ST-W10 Onramp
CrossesMetrolink & I 10 Busway
Location07-LA-010-19.20-LA
RouteInterstate 10
Coordinates34.05554, -118.20086
Functional classUrban Principal Arterial - Interstate

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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86 US tons
Inventory rating51.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length197 ft (60 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2017)
Projected traffic8,337 by 2040
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 Soto ST-W10 Onramp over Metrolink & I 10 Busway built?

It was built in 1972, making it 53 years old in 2025.

What condition is Soto ST-W10 Onramp over Metrolink & I 10 Busway 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 2023.

How much traffic does Soto ST-W10 Onramp over Metrolink & I 10 Busway carry?

About 7,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Soto ST-W10 Onramp over Metrolink & I 10 Busway?

The structure is 197 ft (60 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns Soto ST-W10 Onramp over Metrolink & I 10 Busway?

It is owned by the State Highway Agency.