US Bridges

State Route 65 over South Sutter Aqueduct

Good

Placer County, California · 03-PLA-065-L23.60 · Structure no. 19 0199

Built
2012
13 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
16,800
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 65 over South Sutter Aqueduct is a concrete continuous culvert carrying State Route 65 over South Sutter Aqueduct 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 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 16,800 vehicles a day, projected to reach 36,579 by 2045. The structure is 27 ft (8.2 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesState Route 65
CrossesSouth Sutter Aqueduct
Location03-PLA-065-L23.60
RouteState Highway 65
CountyPlacer County
StateCalifornia
Coordinates38.98505, -121.38524
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span13 ft (4.1 m)
Deck width44 ft (13.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2009)
Projected traffic36,579 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 over South Sutter Aqueduct built?

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

What condition is State Route 65 over South Sutter Aqueduct 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 February 2023.

How much traffic does State Route 65 over South Sutter Aqueduct carry?

About 16,800 vehicles per day (2009 count).

How long is State Route 65 over South Sutter Aqueduct?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4.1 m) and a deck 44 ft wide.

Who owns State Route 65 over South Sutter Aqueduct?

It is owned by the State Highway Agency.