US Bridges

Emerald Avenue over Emerald Wash

Fair

Los Angeles County, California · .1MILE N/O Foothill Blvd. · Structure no. 53C2341

Built
1964
61 years old
Condition
Fair
inspected May 2021
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
4,600
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Emerald Avenue over Emerald Wash is a concrete culvert carrying Emerald Avenue over Emerald Wash in Los Angeles County, California. It was built in 1964, so it is 61 years old, older 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 4,600 vehicles a day, roughly 2% of them trucks, projected to reach 5,060 by 2041. The structure is 21 ft (6.4 m) long and 58 ft wide.

Location

Open in Google Maps
CarriesEmerald Avenue
CrossesEmerald Wash
Location.1MILE N/O Foothill Blvd.
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.11684, -117.76811
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.3 m)
Deck width58 ft (17.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic4,600 (2012)
Projected traffic5,060 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Emerald Avenue over Emerald Wash built?

It was built in 1964, making it 61 years old in 2025.

What condition is Emerald Avenue over Emerald 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 May 2021.

How much traffic does Emerald Avenue over Emerald Wash carry?

About 4,600 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Emerald Avenue over Emerald Wash?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.3 m) and a deck 58 ft wide.

Who owns Emerald Avenue over Emerald Wash?

It is owned by the City or Municipal Highway Agency.