US Bridges

Interstate 15 SB over Weirick Road

Fair

Riverside County, California · 08-RIV-015-35.64 · Structure no. 56 0541L

Built
1966
59 years old, rebuilt 1987
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
139 ft
3 main spans
Daily traffic
73,000
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 SB over Weirick Road is a concrete continuous box beam or girders - multiple carrying Interstate 15 SB over Weirick Road in Riverside County, California. It was built in 1966 and reconstructed in 1987, so it is 59 years old, older 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 73,000 vehicles a day, projected to reach 107,271 by 2042. The structure is 139 ft (42.4 m) long and 53 ft wide.

Location

Open in Google Maps
CarriesInterstate 15 SB
CrossesWeirick Road
Location08-RIV-015-35.64
RouteInterstate 15
CountyRiverside County
StateCalifornia
Coordinates33.80682, -117.50745
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span79 ft (24.1 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,000 (2016)
Projected traffic107,271 by 2042
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Interstate 15 SB over Weirick Road built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1987.

What condition is Interstate 15 SB over Weirick Road 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 January 2024.

How much traffic does Interstate 15 SB over Weirick Road carry?

About 73,000 vehicles per day (2016 count).

How long is Interstate 15 SB over Weirick Road?

The structure is 139 ft (42.4 m) long with a longest span of 79 ft (24.1 m) and a deck 53 ft wide.

Who owns Interstate 15 SB over Weirick Road?

It is owned by the State Highway Agency.