US Bridges

Interstate 15 NB over Parkridge Avenue

Fair

Riverside County, California · 08-RIV-015-41.82-COR · Structure no. 56 0673R

Built
1988
37 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
140 ft
1 main span
Daily traffic
78,000
2015 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 NB over Parkridge Avenue is a prestressed concrete box beam or girders - multiple carrying Interstate 15 NB over Parkridge Avenue in Riverside County, California. It was built in 1988, so it is 37 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 78,000 vehicles a day, projected to reach 110,970 by 2042. The structure is 140 ft (42.7 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 15 NB
CrossesParkridge Avenue
Location08-RIV-015-41.82-COR
RouteInterstate 15
CountyRiverside County
StateCalifornia
Coordinates33.88598, -117.54994
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span140 ft (42.7 m)
Deck width82 ft (24.9 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,000 (2015)
Projected traffic110,970 by 2042
Trucks0%
Lanes on structure3
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 Interstate 15 NB over Parkridge Avenue built?

It was built in 1988, making it 37 years old in 2025.

What condition is Interstate 15 NB over Parkridge Avenue 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 March 2024.

How much traffic does Interstate 15 NB over Parkridge Avenue carry?

About 78,000 vehicles per day (2015 count).

How long is Interstate 15 NB over Parkridge Avenue?

The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 82 ft wide.

Who owns Interstate 15 NB over Parkridge Avenue?

It is owned by the State Highway Agency.