US Bridges

N405-N&S101 Connec over Ventura Blvd

Good

Los Angeles County, California · 07-LA-405-39.00-LA · Structure no. 53 0741G

Built
1956
69 years old, rebuilt 2008
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
22,000
2019 count
Owner
State
State Highway Agency

About this bridge

N405-N&S101 Connec over Ventura Blvd is a steel stringer/multi-beam or girder carrying N405-N&S101 Connec over Ventura Blvd in Los Angeles County, California. It was built in 1956 and reconstructed in 2008, so it is 69 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 22,000 vehicles a day, roughly 5% of them trucks, projected to reach 33,468 by 2040. The structure is 129 ft (39.4 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN405-N&S101 Connec
CrossesVentura Blvd
Location07-LA-405-39.00-LA
RouteInterstate 405
Coordinates34.15389, -118.46755
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating81.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length129 ft (39.4 m)
Longest span129 ft (39.4 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2019)
Projected traffic33,468 by 2040
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 N405-N&S101 Connec over Ventura Blvd built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2008.

What condition is N405-N&S101 Connec over Ventura 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 June 2023.

How much traffic does N405-N&S101 Connec over Ventura Blvd carry?

About 22,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is N405-N&S101 Connec over Ventura Blvd?

The structure is 129 ft (39.4 m) long with a longest span of 129 ft (39.4 m) and a deck 65 ft wide.

Who owns N405-N&S101 Connec over Ventura Blvd?

It is owned by the State Highway Agency.