US Bridges

S101-VINE ST Off-R over Cahuenga BL-S101 On-Ramp

Good

Los Angeles County, California · 07-LA-101-7.32-LA · Structure no. 53 0783K

Built
1953
72 years old, rebuilt 1977
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
316 ft
5 main spans
Daily traffic
11,505
2020 count
Owner
State
State Highway Agency

About this bridge

S101-VINE ST Off-R over Cahuenga BL-S101 On-Ramp is a concrete continuous box beam or girders - multiple carrying S101-VINE ST Off-R over Cahuenga BL-S101 On-Ramp in Los Angeles County, California. It was built in 1953 and reconstructed in 1977, so it is 72 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 11,505 vehicles a day, roughly 1% of them trucks, projected to reach 31,819 by 2046. The structure is 316 ft (96.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS101-VINE ST Off-R
CrossesCahuenga BL-S101 On-Ramp
Location07-LA-101-7.32-LA
RouteU.S. Route 101
Coordinates34.10603, -118.32836
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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating36.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,505 (2020)
Projected traffic31,819 by 2046
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 S101-VINE ST Off-R over Cahuenga BL-S101 On-Ramp built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1977.

What condition is S101-VINE ST Off-R over Cahuenga BL-S101 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 February 2024.

How much traffic does S101-VINE ST Off-R over Cahuenga BL-S101 On-Ramp carry?

About 11,505 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is S101-VINE ST Off-R over Cahuenga BL-S101 On-Ramp?

The structure is 316 ft (96.3 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns S101-VINE ST Off-R over Cahuenga BL-S101 On-Ramp?

It is owned by the State Highway Agency.