US Bridges

Ramp/Connector 5 over Sierra HWY-N5 On-Ramp

Good

Los Angeles County, California · 07-LA-005S-C45.63-LA · Structure no. 53 1961G

Built
1971
54 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
17,084
2018 count
Owner
State
State Highway Agency

About this bridge

Ramp/Connector 5 over Sierra HWY-N5 On-Ramp is a concrete continuous box beam or girders - multiple carrying Ramp/Connector 5 over Sierra HWY-N5 On-Ramp in Los Angeles County, California. It was built in 1971, so it is 54 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 17,084 vehicles a day, roughly 8% of them trucks, projected to reach 23,598 by 2041. The structure is 156 ft (47.5 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRamp/Connector 5
CrossesSierra HWY-N5 On-Ramp
Location07-LA-005S-C45.63-LA
RouteInterstate 5
CountyLos Angeles County
StateCalifornia
Coordinates34.3348, -118.50539
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span62 ft (18.9 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,084 (2018)
Projected traffic23,598 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Ramp/Connector 5 over Sierra HWY-N5 On-Ramp built?

It was built in 1971, making it 54 years old in 2025.

What condition is Ramp/Connector 5 over Sierra HWY-N5 On-Ramp 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 Ramp/Connector 5 over Sierra HWY-N5 On-Ramp carry?

About 17,084 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Ramp/Connector 5 over Sierra HWY-N5 On-Ramp?

The structure is 156 ft (47.5 m) long with a longest span of 62 ft (18.9 m) and a deck 41 ft wide.

Who owns Ramp/Connector 5 over Sierra HWY-N5 On-Ramp?

It is owned by the State Highway Agency.