US Bridges

West Ramona Blvd over Interstate 605

Good

Los Angeles County, California · 07-LA-605-21.07-BWP · Structure no. 53 2086

Built
1971
54 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
206 ft
2 main spans
Daily traffic
20,300
2015 count
Owner
State
State Highway Agency

About this bridge

West Ramona Blvd over Interstate 605 is a prestressed concrete tee beam carrying West Ramona Blvd over Interstate 605 in Los Angeles County, California. It was built in 1971, so it is 54 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 20,300 vehicles a day, roughly 2% of them trucks, projected to reach 25,564 by 2045. The structure is 206 ft (62.8 m) long and 101 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest Ramona Blvd
CrossesInterstate 605
Location07-LA-605-21.07-BWP
RouteCity Street 0L371
Coordinates34.07743, -117.99843
Functional classUrban Collector

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating57.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span103 ft (31.4 m)
Deck width101 ft (30.9 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,300 (2015)
Projected traffic25,564 by 2045
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 West Ramona Blvd over Interstate 605 built?

It was built in 1971, making it 54 years old in 2025.

What condition is West Ramona Blvd over Interstate 605 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 2024.

How much traffic does West Ramona Blvd over Interstate 605 carry?

About 20,300 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is West Ramona Blvd over Interstate 605?

The structure is 206 ft (62.8 m) long with a longest span of 103 ft (31.4 m) and a deck 101 ft wide.

Who owns West Ramona Blvd over Interstate 605?

It is owned by the State Highway Agency.