US Bridges

Hermosa DR over Rubio Wash

Good

Los Angeles County, California · 0.1MI W/O San Gabriel Bl · Structure no. 53C1031

Built
1927
98 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
4,794
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hermosa DR over Rubio Wash is a concrete tee beam carrying Hermosa DR over Rubio Wash in Los Angeles County, California. It was built in 1927, so it is 98 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 4,794 vehicles a day, roughly 1% of them trucks, projected to reach 5,273 by 2042. The structure is 33 ft (10.1 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHermosa DR
CrossesRubio Wash
Location0.1MI W/O San Gabriel Bl
RouteCity Street 0QS10
Coordinates34.10618, -118.09368
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width54 ft (16.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,794 (2017)
Projected traffic5,273 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Hermosa DR over Rubio Wash built?

It was built in 1927, making it 98 years old in 2025.

What condition is Hermosa 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 Hermosa DR over Rubio Wash carry?

About 4,794 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Hermosa DR over Rubio Wash?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 54 ft wide.

Who owns Hermosa DR over Rubio Wash?

It is owned by the City or Municipal Highway Agency.