US Bridges

Riverview Drive over Rocky Slough

Good

Douglas County, Nevada · South of Gardnerville · Structure no. B1602

Built
1987
38 years old
Condition
Good
inspected January 2023
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
9,100
2017 count
Owner
County
County Highway Agency

About this bridge

Riverview Drive over Rocky Slough is a concrete arch - deck carrying Riverview Drive over Rocky Slough in Douglas County, Nevada. It was built in 1987, so it is 38 years old, older than the Nevada average of 36.4 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 9,100 vehicles a day, roughly 3% of them trucks, projected to reach 22,585 by 2040. The structure is 34 ft (10.4 m) long and 49 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

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CarriesRiverview Drive
CrossesRocky Slough
LocationSouth of Gardnerville
RouteCounty Highway 0
CountyDouglas County
StateNevada
Coordinates38.91355, -119.71943
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width49 ft (14.9 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2017)
Projected traffic22,585 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverview Drive over Rocky Slough built?

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

What condition is Riverview Drive over Rocky Slough 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 January 2023.

How much traffic does Riverview Drive over Rocky Slough carry?

About 9,100 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Riverview Drive over Rocky Slough?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 49 ft wide.

Who owns Riverview Drive over Rocky Slough?

It is owned by the County Highway Agency.