US Bridges

State Route 14 over 20th Street West

Fair

Los Angeles County, California · 07-LA-014-R67.48-LAN · Structure no. 53 2383L

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
243 ft
2 main spans
Daily traffic
22,500
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over 20th Street West is a prestressed concrete continuous box beam or girders - multiple carrying State Route 14 over 20th Street West 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 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 22,500 vehicles a day, roughly 6% of them trucks, projected to reach 42,766 by 2041. The structure is 243 ft (74.2 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14
Crosses20th Street West
Location07-LA-014-R67.48-LAN
RouteState Highway 14
Coordinates34.68311, -118.16543
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length243 ft (74.2 m)
Longest span124 ft (37.8 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2017)
Projected traffic42,766 by 2041
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 14 over 20th Street West built?

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

What condition is State Route 14 over 20th Street West 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 April 2023.

How much traffic does State Route 14 over 20th Street West carry?

About 22,500 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is State Route 14 over 20th Street West?

The structure is 243 ft (74.2 m) long with a longest span of 124 ft (37.8 m) and a deck 68 ft wide.

Who owns State Route 14 over 20th Street West?

It is owned by the State Highway Agency.