US Bridges

Ramp/Connector 170 over Sherman Wy N170 On-Ramp

Good

Los Angeles County, California · 07-LA-170-R18.16-LA · Structure no. 53 1682S

Built
1968
57 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
132 ft
3 main spans
Daily traffic
3,000
2017 count
Owner
State
State Highway Agency

About this bridge

Ramp/Connector 170 over Sherman Wy N170 On-Ramp is a concrete continuous box beam or girders - single or spread carrying Ramp/Connector 170 over Sherman Wy N170 On-Ramp in Los Angeles County, California. It was built in 1968, so it is 57 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 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 4,556 by 2043. The structure is 132 ft (40.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRamp/Connector 170
CrossesSherman Wy N170 On-Ramp
Location07-LA-170-R18.16-LA
RouteState Highway 170
CountyLos Angeles County
StateCalifornia
Coordinates34.19964, -118.40258
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span62 ft (18.9 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2017)
Projected traffic4,556 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Ramp/Connector 170 over Sherman Wy N170 On-Ramp built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ramp/Connector 170 over Sherman Wy N170 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 March 2024.

How much traffic does Ramp/Connector 170 over Sherman Wy N170 On-Ramp carry?

About 3,000 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Ramp/Connector 170 over Sherman Wy N170 On-Ramp?

The structure is 132 ft (40.2 m) long with a longest span of 62 ft (18.9 m) and a deck 34 ft wide.

Who owns Ramp/Connector 170 over Sherman Wy N170 On-Ramp?

It is owned by the State Highway Agency.