US Bridges

I-15/SR-79 SB Off over Temecula Parkway

Good

Riverside County, California · 08-RIV-015-3.42-TMCA · Structure no. 56 0653K

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
177 ft
1 main span
Daily traffic
10,150
2021 count
Owner
State
State Highway Agency

About this bridge

I-15/SR-79 SB Off over Temecula Parkway is a prestressed concrete box beam or girders - multiple carrying I-15/SR-79 SB Off over Temecula Parkway in Riverside County, California. It was built in 2018, so it is 7 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 10,150 vehicles a day, roughly 10% of them trucks, projected to reach 13,860 by 2041. The structure is 177 ft (53.9 m) long and 39 ft wide.

CarriesI-15/SR-79 SB Off
CrossesTemecula Parkway
Location08-RIV-015-3.42-TMCA
RouteInterstate 15
Coordinates33.48066, -117.14123
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length177 ft (53.9 m)
Longest span177 ft (53.9 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,150 (2021)
Projected traffic13,860 by 2041
Trucks10%
Lanes on structure2
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 I-15/SR-79 SB Off over Temecula Parkway built?

It was built in 2018, making it 7 years old in 2025.

What condition is I-15/SR-79 SB Off over Temecula Parkway 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 October 2023.

How much traffic does I-15/SR-79 SB Off over Temecula Parkway carry?

About 10,150 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is I-15/SR-79 SB Off over Temecula Parkway?

The structure is 177 ft (53.9 m) long with a longest span of 177 ft (53.9 m) and a deck 39 ft wide.

Who owns I-15/SR-79 SB Off over Temecula Parkway?

It is owned by the State Highway Agency.