US Bridges

State Route 57 over San Jose Fld Cntrl Chnnl

Fair

Los Angeles County, California · 07-LA-057-R7.30-POM · Structure no. 53 1998

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

About this bridge

State Route 57 over San Jose Fld Cntrl Chnnl is a prestressed concrete continuous box beam or girders - multiple carrying State Route 57 over San Jose Fld Cntrl Chnnl 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 299 ft (91.1 m) long and 124 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 57
CrossesSan Jose Fld Cntrl Chnnl
Location07-LA-057-R7.30-POM
RouteState Highway 57
Coordinates34.05939, -117.80452
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating25.7 US tons
Inventory rating15.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length299 ft (91.1 m)
Longest span161 ft (49.1 m)
Deck width124 ft (37.8 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158,000 (2017)
Projected traffic146,359 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 57 over San Jose Fld Cntrl Chnnl built?

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

What condition is State Route 57 over San Jose Fld Cntrl Chnnl 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 San Jose Fld Cntrl Chnnl carry?

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

How long is State Route 57 over San Jose Fld Cntrl Chnnl?

The structure is 299 ft (91.1 m) long with a longest span of 161 ft (49.1 m) and a deck 124 ft wide.

Who owns State Route 57 over San Jose Fld Cntrl Chnnl?

It is owned by the State Highway Agency.