US Bridges

SR 283 over Winchester Wasteway

Fair

Grant County, Washington · 9.2 N JCT SR 281 · Structure no. 0004574A0000000

Built
1953
72 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
179 ft
3 main spans
Daily traffic
2,764
2023 count
Owner
State
State Highway Agency

About this bridge

SR 283 over Winchester Wasteway is a concrete continuous tee beam carrying SR 283 over Winchester Wasteway in Grant County, Washington. It was built in 1953, 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 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 2,764 vehicles a day, roughly 20% of them trucks, projected to reach 3,373 by 2039. The structure is 179 ft (54.6 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 283
CrossesWinchester Wasteway
Location9.2 N JCT SR 281
RouteState Highway 283
CountyGrant County
StateWashington
Coordinates47.19364, -119.68725
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length179 ft (54.6 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,764 (2023)
Projected traffic3,373 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 283 over Winchester Wasteway built?

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

What condition is SR 283 over Winchester Wasteway 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 April 2024.

How much traffic does SR 283 over Winchester Wasteway carry?

About 2,764 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR 283 over Winchester Wasteway?

The structure is 179 ft (54.6 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns SR 283 over Winchester Wasteway?

It is owned by the State Highway Agency.