US Bridges

N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks

Good

Placer County, California · 03-PLA-065-M8.14 · Structure no. 19 0154S

Built
1987
38 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
172 ft
2 main spans
Daily traffic
3,260
2006 count
Owner
State
State Highway Agency

About this bridge

N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks is a prestressed concrete continuous box beam or girders - multiple carrying N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks in Placer County, California. It was built in 1987, so it is 38 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 3,260 vehicles a day, roughly 2% of them trucks, projected to reach 6,811 by 2041. The structure is 172 ft (52.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN65-BLUE Oaks Off
CrossesS65-BLUE Oaks Blue Oaks
Location03-PLA-065-M8.14
RouteState Highway 65
Coordinates38.79614, -121.30064
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length172 ft (52.3 m)
Longest span86 ft (26.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,260 (2006)
Projected traffic6,811 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks built?

It was built in 1987, making it 38 years old in 2025.

What condition is N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks 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 September 2023.

How much traffic does N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks carry?

About 3,260 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks?

The structure is 172 ft (52.3 m) long with a longest span of 86 ft (26.1 m) and a deck 39 ft wide.

Who owns N65-BLUE Oaks Off over S65-BLUE Oaks Blue Oaks?

It is owned by the State Highway Agency.