US Bridges

State Route 14 over Avenue "J-8"

Good

Los Angeles County, California · 07-LA-014-R67.37-LAN · Structure no. 53 2382R

Built
1972
53 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
159 ft
1 main span
Daily traffic
31,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 over Avenue "J-8" is a prestressed concrete box beam or girders - multiple carrying State Route 14 over Avenue "J-8" 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 31,000 vehicles a day, roughly 5% of them trucks, projected to reach 42,766 by 2041. The structure is 159 ft (48.4 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14
CrossesAvenue "J-8"
Location07-LA-014-R67.37-LAN
RouteState Highway 14
Coordinates34.68204, -118.16382
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionApril 2023
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 alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length159 ft (48.4 m)
Longest span157 ft (47.9 m)
Deck width92 ft (28 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2017)
Projected traffic42,766 by 2041
Trucks5%
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 Avenue "J-8" built?

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

What condition is State Route 14 over Avenue "J-8" 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 April 2023.

How much traffic does State Route 14 over Avenue "J-8" carry?

About 31,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is State Route 14 over Avenue "J-8"?

The structure is 159 ft (48.4 m) long with a longest span of 157 ft (47.9 m) and a deck 92 ft wide.

Who owns State Route 14 over Avenue "J-8"?

It is owned by the State Highway Agency.