US Bridges

White Trail RD over Winchester Ww

GoodPosted for load

Grant County, Washington · 5 NW 0.05 W of G.9 · Structure no. 079899000000000

Built
1953
72 years old, rebuilt 1980
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
4 main spans
Daily traffic
558
2020 count
Owner
County
County Highway Agency

About this bridge

White Trail RD over Winchester Ww is a prestressed concrete stringer/multi-beam or girder carrying White Trail RD over Winchester Ww in Grant County, Washington. It was built in 1953 and reconstructed in 1980, so it is 72 years old, older than the Washington average of 49.8 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. Its operating status is: posted for load restriction.

It carries about 558 vehicles a day, roughly 35% of them trucks, projected to reach 1,200 by 2042. The structure is 127 ft (38.7 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesWhite Trail RD
CrossesWinchester Ww
Location5 NW 0.05 W of G.9
RouteCounty Highway 93010
Coordinates47.16245, -119.65674
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating49.6 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic558 (2020)
Projected traffic1,200 by 2042
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was White Trail RD over Winchester Ww built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1980.

What condition is White Trail RD over Winchester Ww 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 November 2023.

How much traffic does White Trail RD over Winchester Ww carry?

About 558 vehicles per day (2020 count), of which roughly 35% are trucks.

How long is White Trail RD over Winchester Ww?

The structure is 127 ft (38.7 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns White Trail RD over Winchester Ww?

It is owned by the County Highway Agency.