US Bridges

S15-W60 Connector over W60-MILLIKEN Av Off-Ramp

Fair

Riverside County, California · 08-RIV-015-51.54-COR · Structure no. 56 0686F

Built
1979
46 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
458 ft
7 main spans
Daily traffic
23,000
2017 count
Owner
State
State Highway Agency

About this bridge

S15-W60 Connector over W60-MILLIKEN Av Off-Ramp is a prestressed concrete continuous box beam or girders - multiple carrying S15-W60 Connector over W60-MILLIKEN Av Off-Ramp in Riverside County, California. It was built in 1979, so it is 46 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 23,000 vehicles a day, roughly 1% of them trucks, projected to reach 26,018 by 2043. The structure is 458 ft (139.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS15-W60 Connector
CrossesW60-MILLIKEN Av Off-Ramp
Location08-RIV-015-51.54-COR
RouteInterstate 15
Coordinates34.02379, -117.5551
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
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 alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length458 ft (139.6 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2017)
Projected traffic26,018 by 2043
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 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 S15-W60 Connector over W60-MILLIKEN Av Off-Ramp built?

It was built in 1979, making it 46 years old in 2025.

What condition is S15-W60 Connector over W60-MILLIKEN Av Off-Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does S15-W60 Connector over W60-MILLIKEN Av Off-Ramp carry?

About 23,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is S15-W60 Connector over W60-MILLIKEN Av Off-Ramp?

The structure is 458 ft (139.6 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns S15-W60 Connector over W60-MILLIKEN Av Off-Ramp?

It is owned by the State Highway Agency.