US Bridges

State Route 65 SB over Auburn Ravine

Fair

Placer County, California · 03-PLA-065-R14.48-LNCN · Structure no. 19 0191L

Built
2012
13 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete
Length
547 ft
6 main spans
Daily traffic
9,250
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 65 SB over Auburn Ravine is a concrete box beam or girders - multiple carrying State Route 65 SB over Auburn Ravine in Placer County, California. It was built in 2012, so it is 13 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 9,250 vehicles a day, projected to reach 23,139 by 2047. The structure is 547 ft (166.6 m) long and 45 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesState Route 65 SB
CrossesAuburn Ravine
Location03-PLA-065-R14.48-LNCN
RouteState Highway 65
Coordinates38.88204, -121.32162
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length547 ft (166.6 m)
Longest span97 ft (29.6 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,250 (2009)
Projected traffic23,139 by 2047
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 65 SB over Auburn Ravine built?

It was built in 2012, making it 13 years old in 2025.

What condition is State Route 65 SB 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 January 2025.

How much traffic does State Route 65 SB over Auburn Ravine carry?

About 9,250 vehicles per day (2009 count).

How long is State Route 65 SB over Auburn Ravine?

The structure is 547 ft (166.6 m) long with a longest span of 97 ft (29.6 m) and a deck 45 ft wide.

Who owns State Route 65 SB over Auburn Ravine?

It is owned by the State Highway Agency.