US Bridges

Longden DR over Rubio Wash

Good

Los Angeles County, California · 0.4MI W/O San Gabriel Bl · Structure no. 53C1032

Built
1962
63 years old
Condition
Good
inspected October 2024
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
4,386
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Longden DR over Rubio Wash is a concrete arch - deck carrying Longden DR over Rubio Wash in Los Angeles County, California. It was built in 1962, so it is 63 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 4,386 vehicles a day, roughly 1% of them trucks, projected to reach 4,825 by 2043. The structure is 34 ft (10.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLongden DR
CrossesRubio Wash
Location0.4MI W/O San Gabriel Bl
RouteCity Street 0Q497
Coordinates34.11341, -118.09774
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width45 ft (13.7 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,386 (2017)
Projected traffic4,825 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Longden DR over Rubio Wash built?

It was built in 1962, making it 63 years old in 2025.

What condition is Longden DR over Rubio Wash 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 October 2024.

How much traffic does Longden DR over Rubio Wash carry?

About 4,386 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Longden DR over Rubio Wash?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 45 ft wide.

Who owns Longden DR over Rubio Wash?

It is owned by the City or Municipal Highway Agency.