US Bridges

State Route 210 over W210-S57 Connector Ramp

Fair

Los Angeles County, California · 07-LA-210-R44.56-GDR · Structure no. 53 1970

Built
1970
55 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
155 ft
1 main span
Daily traffic
179,000
2022 count
Owner
State
State Highway Agency

About this bridge

State Route 210 over W210-S57 Connector Ramp is a prestressed concrete box beam or girders - multiple carrying State Route 210 over W210-S57 Connector Ramp in Los Angeles County, California. It was built in 1970, so it is 55 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 179,000 vehicles a day, roughly 3% of them trucks, projected to reach 225,471 by 2045. The structure is 155 ft (47.2 m) long and 148 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesState Route 210
CrossesW210-S57 Connector Ramp
Location07-LA-210-R44.56-GDR
RouteInterstate 210
Coordinates34.12029, -117.82342
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span149 ft (45.4 m)
Deck width148 ft (45.1 m)
Roadway width146 ft (44.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179,000 (2022)
Projected traffic225,471 by 2045
Trucks3%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 State Route 210 over W210-S57 Connector Ramp built?

It was built in 1970, making it 55 years old in 2025.

What condition is State Route 210 over W210-S57 Connector Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does State Route 210 over W210-S57 Connector Ramp carry?

About 179,000 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is State Route 210 over W210-S57 Connector Ramp?

The structure is 155 ft (47.2 m) long with a longest span of 149 ft (45.4 m) and a deck 148 ft wide.

Who owns State Route 210 over W210-S57 Connector Ramp?

It is owned by the State Highway Agency.