US Bridges

SR88 Woodfords RD over Rocky Slough

Good

Douglas County, Nevada · West of Gardnerville · Structure no. B 627

Built
1957
68 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
64 ft
4 main spans
Daily traffic
9,850
2021 count
Owner
State
State Highway Agency

About this bridge

SR88 Woodfords RD over Rocky Slough is a concrete continuous slab carrying SR88 Woodfords RD over Rocky Slough in Douglas County, Nevada. It was built in 1957, so it is 68 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 9,850 vehicles a day, roughly 7% of them trucks, projected to reach 16,000 by 2040. The structure is 64 ft (19.5 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR88 Woodfords RD
CrossesRocky Slough
LocationWest of Gardnerville
RouteState Highway 88
StateNevada
Coordinates38.91158, -119.77917
Functional classUrban Other Principal Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating30.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,850 (2021)
Projected traffic16,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR88 Woodfords RD over Rocky Slough built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR88 Woodfords RD 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 May 2023.

How much traffic does SR88 Woodfords RD over Rocky Slough carry?

About 9,850 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR88 Woodfords RD over Rocky Slough?

The structure is 64 ft (19.5 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns SR88 Woodfords RD over Rocky Slough?

It is owned by the State Highway Agency.