US Bridges

SR 88/WOODFORD RD over Cottonwood Slough

Good

Douglas County, Nevada · West of Gardnerville · Structure no. B 575

Built
1952
73 years old, rebuilt 1957
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
96 ft
5 main spans
Daily traffic
12,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR 88/WOODFORD RD over Cottonwood Slough is a concrete continuous slab carrying SR 88/WOODFORD RD over Cottonwood Slough in Douglas County, Nevada. It was built in 1952 and reconstructed in 1957, so it is 73 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 12,800 vehicles a day, roughly 7% of them trucks, projected to reach 21,000 by 2040. The structure is 96 ft (29.3 m) long and 36 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSR 88/WOODFORD RD
CrossesCottonwood Slough
LocationWest of Gardnerville
RouteState Highway 88
StateNevada
Coordinates38.95205, -119.7794
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating39.2 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length96 ft (29.3 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,800 (2021)
Projected traffic21,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 SR 88/WOODFORD RD over Cottonwood Slough built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1957.

What condition is SR 88/WOODFORD RD over Cottonwood 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 SR 88/WOODFORD RD over Cottonwood Slough carry?

About 12,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR 88/WOODFORD RD over Cottonwood Slough?

The structure is 96 ft (29.3 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns SR 88/WOODFORD RD over Cottonwood Slough?

It is owned by the State Highway Agency.