US Bridges

Murietta Hot Spr over Interstate 15

Good

Riverside County, California · 08-RIV-015-9.47 · Structure no. 56 0700

Built
1977
48 years old, rebuilt 2000
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
376 ft
2 main spans
Daily traffic
6,000
2021 count
Owner
State
State Highway Agency

About this bridge

Murietta Hot Spr over Interstate 15 is a prestressed concrete continuous box beam or girders - multiple carrying Murietta Hot Spr over Interstate 15 in Riverside County, California. It was built in 1977 and reconstructed in 2000, so it is 48 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 6,000 vehicles a day, roughly 1% of them trucks, projected to reach 6,891 by 2043. The structure is 376 ft (114.6 m) long and 110 ft wide.

CarriesMurietta Hot Spr
CrossesInterstate 15
Location08-RIV-015-9.47
RouteCounty Highway 0
Coordinates33.55452, -117.19248
Functional classRural Minor Collector

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating85.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length376 ft (114.6 m)
Longest span189 ft (57.7 m)
Deck width110 ft (33.5 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2021)
Projected traffic6,891 by 2043
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 Murietta Hot Spr over Interstate 15 built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2000.

What condition is Murietta Hot Spr over Interstate 15 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 Murietta Hot Spr over Interstate 15 carry?

About 6,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Murietta Hot Spr over Interstate 15?

The structure is 376 ft (114.6 m) long with a longest span of 189 ft (57.7 m) and a deck 110 ft wide.

Who owns Murietta Hot Spr over Interstate 15?

It is owned by the State Highway Agency.