US Bridges

State Route 57 over Valley Blvd

Fair

Los Angeles County, California · 07-LA-057-R7.14-POM · Structure no. 53 1934

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
189 ft
1 main span
Daily traffic
158,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 57 over Valley Blvd is a prestressed concrete box beam or girders - multiple carrying State Route 57 over Valley Blvd 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 fair condition with a lowest component rating of 6 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 158,000 vehicles a day, roughly 5% of them trucks, projected to reach 146,359 by 2042. The structure is 189 ft (57.7 m) long and 172 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesState Route 57
CrossesValley Blvd
Location07-LA-057-R7.14-POM
RouteState Highway 57
Coordinates34.05733, -117.8038
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 alignment9: Superior to present desirable criteria
Operating rating86.8 US tons
Inventory rating58.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length189 ft (57.7 m)
Longest span186 ft (56.7 m)
Deck width172 ft (52.4 m)
Roadway width168 ft (51.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158,000 (2017)
Projected traffic146,359 by 2042
Trucks5%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 57 over Valley Blvd built?

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

What condition is State Route 57 over Valley Blvd 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 August 2024.

How much traffic does State Route 57 over Valley Blvd carry?

About 158,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is State Route 57 over Valley Blvd?

The structure is 189 ft (57.7 m) long with a longest span of 186 ft (56.7 m) and a deck 172 ft wide.

Who owns State Route 57 over Valley Blvd?

It is owned by the State Highway Agency.