US Bridges

I-15 & Monte Vista over Grove Creek

Good

Riverside County, California · 08-RIV-015-15.75 · Structure no. 56 0743

Built
1981
44 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
118,000
2021 count
Owner
State
State Highway Agency

About this bridge

I-15 & Monte Vista over Grove Creek is a concrete continuous culvert carrying I-15 & Monte Vista over Grove Creek in Riverside County, California. It was built in 1981, so it is 44 years old, younger 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 118,000 vehicles a day, roughly 14% of them trucks, projected to reach 165,000 by 2043. The structure is 22 ft (6.7 m) long and 176 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-15 & Monte Vista
CrossesGrove Creek
Location08-RIV-015-15.75
RouteInterstate 15
CountyRiverside County
StateCalifornia
Coordinates33.62041, -117.26708
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width176 ft (53.6 m)
Roadway width176 ft (53.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118,000 (2021)
Projected traffic165,000 by 2043
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-15 & Monte Vista over Grove Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is I-15 & Monte Vista over Grove Creek 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 December 2023.

How much traffic does I-15 & Monte Vista over Grove Creek carry?

About 118,000 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is I-15 & Monte Vista over Grove Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 176 ft wide.

Who owns I-15 & Monte Vista over Grove Creek?

It is owned by the State Highway Agency.