US Bridges

Hidden Valley Pkwy over Interstate 15

Fair

Riverside County, California · 08-RIV-015-42.88-NRCO · Structure no. 56 0665

Built
1989
36 years old, rebuilt 1997
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
288 ft
2 main spans
Daily traffic
6,914
2015 count
Owner
State
State Highway Agency

About this bridge

Hidden Valley Pkwy over Interstate 15 is a prestressed concrete continuous box beam or girders - multiple carrying Hidden Valley Pkwy over Interstate 15 in Riverside County, California. It was built in 1989 and reconstructed in 1997, so it is 36 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 6,914 vehicles a day, roughly 1% of them trucks, projected to reach 7,994 by 2042. The structure is 288 ft (87.8 m) long and 113 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHidden Valley Pkwy
CrossesInterstate 15
Location08-RIV-015-42.88-NRCO
RouteCity Street 0
CountyRiverside County
StateCalifornia
Coordinates33.89838, -117.56023
Functional classUrban Collector

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 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 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length288 ft (87.8 m)
Longest span148 ft (45.2 m)
Deck width113 ft (34.3 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,914 (2015)
Projected traffic7,994 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Hidden Valley Pkwy over Interstate 15 built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 1997.

What condition is Hidden Valley Pkwy over Interstate 15 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 Hidden Valley Pkwy over Interstate 15 carry?

About 6,914 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Hidden Valley Pkwy over Interstate 15?

The structure is 288 ft (87.8 m) long with a longest span of 148 ft (45.2 m) and a deck 113 ft wide.

Who owns Hidden Valley Pkwy over Interstate 15?

It is owned by the State Highway Agency.