US Bridges

Ophir Road over Auburn Ravine

Fair

Placer County, California · 0.25 KM E JCT Wise RD · Structure no. 19C0205

Built
1925
100 years old, rebuilt 1931
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
4,403
2003 count
Owner
County
County Highway Agency

About this bridge

Ophir Road over Auburn Ravine is a concrete continuous culvert carrying Ophir Road over Auburn Ravine in Placer County, California. It was built in 1925 and reconstructed in 1931, so it is 100 years old, older 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 4,403 vehicles a day, roughly 4% of them trucks, projected to reach 8,269 by 2041. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOphir Road
CrossesAuburn Ravine
Location0.25 KM E JCT Wise RD
RouteCounty Highway 0
CountyPlacer County
StateCalifornia
Coordinates38.89067, -121.09483
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,403 (2003)
Projected traffic8,269 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ophir Road over Auburn Ravine built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1931.

What condition is Ophir Road over Auburn Ravine 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 April 2023.

How much traffic does Ophir Road over Auburn Ravine carry?

About 4,403 vehicles per day (2003 count), of which roughly 4% are trucks.

How long is Ophir Road over Auburn Ravine?

The structure is 49 ft (14.9 m) long with a longest span of 20 ft (6.1 m).

Who owns Ophir Road over Auburn Ravine?

It is owned by the County Highway Agency.