US Bridges

Ave 0 over Unnamed Wash

Good

Los Angeles County, California · 0.5MI W/O 170th ST E · Structure no. 53C1526

Built
1969
56 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
102 ft
8 main spans
Daily traffic
3,978
2017 count
Owner
County
County Highway Agency

About this bridge

Ave 0 over Unnamed Wash is a concrete culvert carrying Ave 0 over Unnamed Wash in Los Angeles County, California. It was built in 1969, so it is 56 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,978 vehicles a day, roughly 2% of them trucks, projected to reach 4,376 by 2043. The structure is 102 ft (31.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAve 0
CrossesUnnamed Wash
Location0.5MI W/O 170th ST E
RouteCounty Highway 0WP34
Coordinates34.61642, -117.83638
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum 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 spans8
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,978 (2017)
Projected traffic4,376 by 2043
Trucks2%
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

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 Ave 0 over Unnamed Wash built?

It was built in 1969, making it 56 years old in 2025.

What condition is Ave 0 over Unnamed 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 August 2024.

How much traffic does Ave 0 over Unnamed Wash carry?

About 3,978 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Ave 0 over Unnamed Wash?

The structure is 102 ft (31.1 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Ave 0 over Unnamed Wash?

It is owned by the County Highway Agency.