US Bridges

Santa Fe BLD-S405 over Caspian Ave Storm Drain

Good

Los Angeles County, California · 07-LA-405-7.95-LBCH · Structure no. 53 0361F

Built
1961
64 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
33 ft
4 main spans
Daily traffic
25,000
2019 count
Owner
State
State Highway Agency

About this bridge

Santa Fe BLD-S405 over Caspian Ave Storm Drain is a concrete culvert carrying Santa Fe BLD-S405 over Caspian Ave Storm Drain in Los Angeles County, California. It was built in 1961, so it is 64 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 25,000 vehicles a day, roughly 10% of them trucks, projected to reach 30,223 by 2046. The structure is 33 ft (10.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSanta Fe BLD-S405
CrossesCaspian Ave Storm Drain
Location07-LA-405-7.95-LBCH
RouteInterstate 405
Coordinates33.82632, -118.21347
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span8 ft (2.4 m)
Deck width41 ft (12.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2019)
Projected traffic30,223 by 2046
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Santa Fe BLD-S405 over Caspian Ave Storm Drain built?

It was built in 1961, making it 64 years old in 2025.

What condition is Santa Fe BLD-S405 over Caspian Ave Storm Drain 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 Santa Fe BLD-S405 over Caspian Ave Storm Drain carry?

About 25,000 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Santa Fe BLD-S405 over Caspian Ave Storm Drain?

The structure is 33 ft (10.1 m) long with a longest span of 8 ft (2.4 m) and a deck 41 ft wide.

Who owns Santa Fe BLD-S405 over Caspian Ave Storm Drain?

It is owned by the State Highway Agency.