US Bridges

ST John Avenue over E134-S710 Connector Ramp

Fair

Los Angeles County, California · 07-LA-134-R13.23-PAS · Structure no. 53 2265

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
1,784
2015 count
Owner
State
State Highway Agency

About this bridge

ST John Avenue over E134-S710 Connector Ramp is a prestressed concrete box beam or girders - multiple carrying ST John Avenue over E134-S710 Connector Ramp in Los Angeles County, California. It was built in 1975, so it is 50 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 1,784 vehicles a day, roughly 1% of them trucks, projected to reach 1,983 by 2042. The structure is 104 ft (31.6 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST John Avenue
CrossesE134-S710 Connector Ramp
Location07-LA-134-R13.23-PAS
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.14679, -118.15593
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.6 m)
Longest span104 ft (31.6 m)
Deck width54 ft (16.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,784 (2015)
Projected traffic1,983 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 ST John Avenue over E134-S710 Connector Ramp built?

It was built in 1975, making it 50 years old in 2025.

What condition is ST John Avenue over E134-S710 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 2024.

How much traffic does ST John Avenue over E134-S710 Connector Ramp carry?

About 1,784 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is ST John Avenue over E134-S710 Connector Ramp?

The structure is 104 ft (31.6 m) long with a longest span of 104 ft (31.6 m) and a deck 54 ft wide.

Who owns ST John Avenue over E134-S710 Connector Ramp?

It is owned by the State Highway Agency.