US Bridges

W90-N405 Connector over Jefferson Blvd

Good

Los Angeles County, California · 07-LA-090-2.73-CLC · Structure no. 53 1855F

Built
1967
58 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
656 ft
7 main spans
Daily traffic
6,200
2015 count
Owner
State
State Highway Agency

About this bridge

W90-N405 Connector over Jefferson Blvd is a concrete continuous box beam or girders - multiple carrying W90-N405 Connector over Jefferson Blvd in Los Angeles County, California. It was built in 1967, so it is 58 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 6,200 vehicles a day, roughly 2% of them trucks, projected to reach 7,773 by 2042. The structure is 656 ft (199.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW90-N405 Connector
CrossesJefferson Blvd
Location07-LA-090-2.73-CLC
RouteState Highway 90
CountyLos Angeles County
StateCalifornia
Coordinates33.98834, -118.3987
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length656 ft (199.9 m)
Longest span119 ft (36.3 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2015)
Projected traffic7,773 by 2042
Trucks2%
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 W90-N405 Connector over Jefferson Blvd built?

It was built in 1967, making it 58 years old in 2025.

What condition is W90-N405 Connector over Jefferson 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 August 2023.

How much traffic does W90-N405 Connector over Jefferson Blvd carry?

About 6,200 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is W90-N405 Connector over Jefferson Blvd?

The structure is 656 ft (199.9 m) long with a longest span of 119 ft (36.3 m) and a deck 34 ft wide.

Who owns W90-N405 Connector over Jefferson Blvd?

It is owned by the State Highway Agency.