US Bridges

Ynez Road over Empire Creek

Good

Riverside County, California · 0.3 Mi. N/O Rancho Calif · Structure no. 56C0437

Built
1990
35 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
45 ft
5 main spans
Daily traffic
22,000
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ynez Road over Empire Creek is a concrete continuous culvert carrying Ynez Road over Empire 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 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 22,000 vehicles a day, roughly 1% of them trucks, projected to reach 46,560 by 2045. The structure is 45 ft (13.7 m) long and 91 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesYnez Road
CrossesEmpire Creek
Location0.3 Mi. N/O Rancho Calif
RouteCity Street 0
Coordinates33.50635, -117.14994
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width91 ft (27.7 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2014)
Projected traffic46,560 by 2045
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ynez Road over Empire Creek built?

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

What condition is Ynez Road over Empire 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 December 2023.

How much traffic does Ynez Road over Empire Creek carry?

About 22,000 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Ynez Road over Empire Creek?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m) and a deck 91 ft wide.

Who owns Ynez Road over Empire Creek?

It is owned by the City or Municipal Highway Agency.