US Bridges

Sage Road over Wilson Creek

Fair

Riverside County, California · 1.6 Mi. N/O Route 79 Hwy. · Structure no. 56C0402

Built
1990
35 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
1,038
2016 count
Owner
County
County Highway Agency

About this bridge

Sage Road over Wilson Creek is a prestressed concrete stringer/multi-beam or girder carrying Sage Road over Wilson Creek in Riverside County, California. It was built in 1990, so it is 35 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,038 vehicles a day, roughly 1% of them trucks, projected to reach 2,102 by 2041. The structure is 65 ft (19.8 m) long and 37 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSage Road
CrossesWilson Creek
Location1.6 Mi. N/O Route 79 Hwy.
RouteCounty Highway 0
CountyRiverside County
StateCalifornia
Coordinates33.48604, -116.9115
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span60 ft (18.3 m)
Deck width37 ft (11.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,038 (2016)
Projected traffic2,102 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sage Road over Wilson Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Sage Road over Wilson Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2022.

How much traffic does Sage Road over Wilson Creek carry?

About 1,038 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Sage Road over Wilson Creek?

The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.

Who owns Sage Road over Wilson Creek?

It is owned by the County Highway Agency.