US Bridges

Sepulveda SB Off over SR1 Sepulveda Blvd

Good

Los Angeles County, California · 07-LA-105-R0.44-LA · Structure no. 53 2800F

Built
1990
35 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
525 ft
4 main spans
Daily traffic
8,923
2016 count
Owner
State
State Highway Agency

About this bridge

Sepulveda SB Off over SR1 Sepulveda Blvd is a prestressed concrete continuous box beam or girders - multiple carrying Sepulveda SB Off over SR1 Sepulveda Blvd in Los Angeles County, California. It was built in 1990, so it is 35 years old, younger 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 8,923 vehicles a day, roughly 1% of them trucks, projected to reach 10,680 by 2042. The structure is 525 ft (159.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSepulveda SB Off
CrossesSR1 Sepulveda Blvd
Location07-LA-105-R0.44-LA
RouteInterstate 105
Coordinates33.93183, -118.39717
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length525 ft (159.9 m)
Longest span150 ft (45.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,923 (2016)
Projected traffic10,680 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

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

Frequently asked questions

When was Sepulveda SB Off over SR1 Sepulveda Blvd built?

It was built in 1990, making it 35 years old in 2025.

What condition is Sepulveda SB Off over SR1 Sepulveda Blvd 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 April 2024.

How much traffic does Sepulveda SB Off over SR1 Sepulveda Blvd carry?

About 8,923 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Sepulveda SB Off over SR1 Sepulveda Blvd?

The structure is 525 ft (159.9 m) long with a longest span of 150 ft (45.7 m) and a deck 28 ft wide.

Who owns Sepulveda SB Off over SR1 Sepulveda Blvd?

It is owned by the State Highway Agency.