US Bridges

Los Coyotes Diag over Sdbi 133

Good

Los Angeles County, California · 20FT W/O Clark Ave · Structure no. 53C0235

Built
1949
76 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
28,620
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Los Coyotes Diag over Sdbi 133 is a concrete culvert carrying Los Coyotes Diag over Sdbi 133 in Los Angeles County, California. It was built in 1949, so it is 76 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 28,620 vehicles a day, roughly 1% of them trucks, projected to reach 34,344 by 2044. The structure is 29 ft (8.8 m) long and 154 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLos Coyotes Diag
CrossesSdbi 133
Location20FT W/O Clark Ave
RouteCity Street 0L058
Coordinates33.79596, -118.13417
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width154 ft (46.8 m)
Roadway width93 ft (28.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,620 (2014)
Projected traffic34,344 by 2044
Trucks1%
Lanes on structure7
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

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 Los Coyotes Diag over Sdbi 133 built?

It was built in 1949, making it 76 years old in 2025.

What condition is Los Coyotes Diag over Sdbi 133 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 September 2024.

How much traffic does Los Coyotes Diag over Sdbi 133 carry?

About 28,620 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Los Coyotes Diag over Sdbi 133?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 154 ft wide.

Who owns Los Coyotes Diag over Sdbi 133?

It is owned by the City or Municipal Highway Agency.