US Bridges

Nutmeg Street over Interstate 15

Good

Riverside County, California · 08-RIV-015-11.98-TMCA · Structure no. 56 0798

Built
2001
24 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
244 ft
2 main spans
Daily traffic
4,000
2021 count
Owner
State
State Highway Agency

About this bridge

Nutmeg Street over Interstate 15 is a prestressed concrete continuous box beam or girders - multiple carrying Nutmeg Street over Interstate 15 in Riverside County, California. It was built in 2001, so it is 24 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 4,000 vehicles a day, roughly 1% of them trucks, projected to reach 4,672 by 2043. The structure is 244 ft (74.3 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNutmeg Street
CrossesInterstate 15
Location08-RIV-015-11.98-TMCA
RouteCounty Highway 0
Coordinates33.57752, -117.22344
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 alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 20 + Mod
Structure length244 ft (74.3 m)
Longest span124 ft (37.7 m)
Deck width74 ft (22.6 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2021)
Projected traffic4,672 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 Nutmeg Street over Interstate 15 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Nutmeg Street 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 Nutmeg Street over Interstate 15 carry?

About 4,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nutmeg Street over Interstate 15?

The structure is 244 ft (74.3 m) long with a longest span of 124 ft (37.7 m) and a deck 74 ft wide.

Who owns Nutmeg Street over Interstate 15?

It is owned by the State Highway Agency.