US Bridges

Ramp/Connector 710 over Los Angeles River

Fair

Los Angeles County, California · 07-LA-710-9.30-LBCH · Structure no. 53 1209H

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
779 ft
8 main spans
Daily traffic
35,000
2015 count
Owner
State
State Highway Agency

About this bridge

Ramp/Connector 710 over Los Angeles River is a steel stringer/multi-beam or girder carrying Ramp/Connector 710 over Los Angeles River in Los Angeles County, California. It was built in 1963, so it is 62 years old, older 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 35,000 vehicles a day, roughly 10% of them trucks, projected to reach 44,100 by 2041. The structure is 779 ft (237.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp/Connector 710
CrossesLos Angeles River
Location07-LA-710-9.30-LBCH
RouteInterstate 710
CountyLos Angeles County
StateCalifornia
Coordinates33.82598, -118.20634
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length779 ft (237.5 m)
Longest span107 ft (32.6 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2015)
Projected traffic44,100 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp/Connector 710 over Los Angeles River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Ramp/Connector 710 over Los Angeles River 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 2024.

How much traffic does Ramp/Connector 710 over Los Angeles River carry?

About 35,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Ramp/Connector 710 over Los Angeles River?

The structure is 779 ft (237.5 m) long with a longest span of 107 ft (32.6 m) and a deck 34 ft wide.

Who owns Ramp/Connector 710 over Los Angeles River?

It is owned by the State Highway Agency.