US Bridges

S15-WINCHESTER Off over Santa Gertrudis Creek

Good

Riverside County, California · 08-RIV-015-6.73-TMCA · Structure no. 56 0271K

Built
1976
49 years old, rebuilt 2014
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
180 ft
7 main spans
Daily traffic
7,000
2021 count
Owner
State
State Highway Agency

About this bridge

S15-WINCHESTER Off over Santa Gertrudis Creek is a concrete continuous slab carrying S15-WINCHESTER Off over Santa Gertrudis Creek in Riverside County, California. It was built in 1976 and reconstructed in 2014, so it is 49 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 7,000 vehicles a day, roughly 1% of them trucks, projected to reach 8,642 by 2041. The structure is 180 ft (55 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS15-WINCHESTER Off
CrossesSanta Gertrudis Creek
Location08-RIV-015-6.73-TMCA
RouteInterstate 15
CountyRiverside County
StateCalifornia
Coordinates33.52382, -117.16454
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating71.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length180 ft (55 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2021)
Projected traffic8,642 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 S15-WINCHESTER Off over Santa Gertrudis Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2014.

What condition is S15-WINCHESTER Off over Santa Gertrudis 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 October 2023.

How much traffic does S15-WINCHESTER Off over Santa Gertrudis Creek carry?

About 7,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is S15-WINCHESTER Off over Santa Gertrudis Creek?

The structure is 180 ft (55 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns S15-WINCHESTER Off over Santa Gertrudis Creek?

It is owned by the State Highway Agency.