US Bridges

Moraga Road over Empire Creek

Good

Riverside County, California · 0.2 Mi. N/O Rancho Calif. · Structure no. 56C0436

Built
1990
35 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
30 ft
4 main spans
Daily traffic
11,000
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Moraga Road over Empire Creek is a concrete culvert carrying Moraga 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 11,000 vehicles a day, roughly 1% of them trucks, projected to reach 23,281 by 2045. The structure is 30 ft (9.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMoraga Road
CrossesEmpire Creek
Location0.2 Mi. N/O Rancho Calif.
RouteCity Street 0
Coordinates33.50942, -117.14055
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 geometry6: Equal to present minimum criteria
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
DeckNot applicable
Main spans4
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width68 ft (20.7 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2014)
Projected traffic23,281 by 2045
Trucks1%
Lanes on structure4
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 Moraga Road over Empire Creek built?

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

What condition is Moraga 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 Moraga Road over Empire Creek carry?

About 11,000 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Moraga Road over Empire Creek?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m) and a deck 68 ft wide.

Who owns Moraga Road over Empire Creek?

It is owned by the City or Municipal Highway Agency.