US Bridges

Loma Alta DR over Rubio Wash

Fair

Los Angeles County, California · 0.8MI N/O Altadena DR · Structure no. 53C2044

Built
2001
24 years old
Condition
Fair
inspected July 2021
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
170 ft
2 main spans
Daily traffic
905
2012 count
Owner
County
County Highway Agency

About this bridge

Loma Alta DR over Rubio Wash is a concrete continuous box beam or girders - multiple carrying Loma Alta DR over Rubio Wash in Los Angeles County, California. It was built in 2001, so it is 24 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 6 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 905 vehicles a day, roughly 1% of them trucks, projected to reach 996 by 2041. The structure is 170 ft (51.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLoma Alta DR
CrossesRubio Wash
Location0.8MI N/O Altadena DR
RouteCounty Highway 0
Coordinates34.20032, -118.1227
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length170 ft (51.7 m)
Longest span85 ft (25.8 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic905 (2012)
Projected traffic996 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Loma Alta DR over Rubio Wash built?

It was built in 2001, making it 24 years old in 2025.

What condition is Loma Alta DR over Rubio Wash 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 July 2021.

How much traffic does Loma Alta DR over Rubio Wash carry?

About 905 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Loma Alta DR over Rubio Wash?

The structure is 170 ft (51.7 m) long with a longest span of 85 ft (25.8 m) and a deck 42 ft wide.

Who owns Loma Alta DR over Rubio Wash?

It is owned by the County Highway Agency.