US Bridges

S1-E105 Connector over SR 1 (sepulveda Blvd)

Fair

Los Angeles County, California · 07-LA-001-25.95-LA · Structure no. 53 2801F

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
522 ft
4 main spans
Daily traffic
16,500
2017 count
Owner
State
State Highway Agency

About this bridge

S1-E105 Connector over SR 1 (sepulveda Blvd) is a prestressed concrete continuous box beam or girders - multiple carrying S1-E105 Connector over SR 1 (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 fair condition with a lowest component rating of 5 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 16,500 vehicles a day, roughly 1% of them trucks, projected to reach 17,870 by 2040. The structure is 522 ft (159.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS1-E105 Connector
CrossesSR 1 (sepulveda Blvd)
Location07-LA-001-25.95-LA
RouteState Highway 1
CountyLos Angeles County
StateCalifornia
Coordinates33.93168, -118.39543
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
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 alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length522 ft (159.1 m)
Longest span150 ft (45.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2017)
Projected traffic17,870 by 2040
Trucks1%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S1-E105 Connector over SR 1 (sepulveda Blvd) built?

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

What condition is S1-E105 Connector over SR 1 (sepulveda Blvd) 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 July 2023.

How much traffic does S1-E105 Connector over SR 1 (sepulveda Blvd) carry?

About 16,500 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is S1-E105 Connector over SR 1 (sepulveda Blvd)?

The structure is 522 ft (159.1 m) long with a longest span of 150 ft (45.7 m) and a deck 39 ft wide.

Who owns S1-E105 Connector over SR 1 (sepulveda Blvd)?

It is owned by the State Highway Agency.