US Bridges

Route 710 SB over Ramona Blvd

Good

Los Angeles County, California · 07-LA-710-26.38-MONP · Structure no. 53 1459L

Built
1960
65 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
186 ft
3 main spans
Daily traffic
63,500
2017 count
Owner
State
State Highway Agency

About this bridge

Route 710 SB over Ramona Blvd is a concrete continuous box beam or girders - multiple carrying Route 710 SB over Ramona Blvd in Los Angeles County, California. It was built in 1960, so it is 65 years old, older 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 63,500 vehicles a day, roughly 5% of them trucks, projected to reach 86,948 by 2044. The structure is 186 ft (56.6 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 710 SB
CrossesRamona Blvd
Location07-LA-710-26.38-MONP
RouteInterstate 710
Coordinates34.05952, -118.16549
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.6 m)
Longest span72 ft (21.9 m)
Deck width53 ft (16.2 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,500 (2017)
Projected traffic86,948 by 2044
Trucks5%
Lanes on structure3
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 Route 710 SB over Ramona Blvd built?

It was built in 1960, making it 65 years old in 2025.

What condition is Route 710 SB over Ramona Blvd 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 August 2024.

How much traffic does Route 710 SB over Ramona Blvd carry?

About 63,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Route 710 SB over Ramona Blvd?

The structure is 186 ft (56.6 m) long with a longest span of 72 ft (21.9 m) and a deck 53 ft wide.

Who owns Route 710 SB over Ramona Blvd?

It is owned by the State Highway Agency.