US Bridges

Rocklin RD over Secret Ravine

Fair

Placer County, California · 0.3 MI E of I-80 · Structure no. 19C0072

Built
1983
42 years old
Condition
Fair
inspected June 2022
Type
Slab
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
5,700
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rocklin RD over Secret Ravine is a concrete continuous slab carrying Rocklin RD over Secret Ravine in Placer County, California. It was built in 1983, so it is 42 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 5,700 vehicles a day, roughly 6% of them trucks, projected to reach 13,859 by 2044. The structure is 45 ft (13.7 m) long and 90 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRocklin RD
CrossesSecret Ravine
Location0.3 MI E of I-80
RouteCity Street 0
CountyPlacer County
StateCalifornia
Coordinates38.78834, -121.22046
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating104.3 US tons
Inventory rating62.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width90 ft (27.4 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2010)
Projected traffic13,859 by 2044
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rocklin RD over Secret Ravine built?

It was built in 1983, making it 42 years old in 2025.

What condition is Rocklin RD over Secret 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 June 2022.

How much traffic does Rocklin RD over Secret Ravine carry?

About 5,700 vehicles per day (2010 count), of which roughly 6% are trucks.

How long is Rocklin RD over Secret Ravine?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 90 ft wide.

Who owns Rocklin RD over Secret Ravine?

It is owned by the City or Municipal Highway Agency.