US Bridges

SR 285 over Wenatchee River & BNSF

Fair

Chelan County, Washington · 1.5 N JCT SR 285COWENTCH · Structure no. 083730000000000

Built
1933
92 years old
Condition
Fair
inspected April 2023
Type
Truss - Deck
Steel Continuous
Length
641 ft
3 main spans
Daily traffic
20,059
2023 count
Owner
State
State Highway Agency

About this bridge

SR 285 over Wenatchee River & BNSF is a steel continuous truss - deck carrying SR 285 over Wenatchee River & BNSF in Chelan County, Washington. It was built in 1933, so it is 92 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 20,059 vehicles a day, roughly 4% of them trucks, projected to reach 25,104 by 2039. The structure is 641 ft (195.4 m) long and 37 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 285
CrossesWenatchee River & BNSF
Location1.5 N JCT SR 285COWENTCH
RouteState Highway 285
CountyChelan County
StateWashington
Coordinates47.45772, -120.33686
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating46 US tons
Inventory rating27 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+7 approach)
Design loadH 15
Structure length641 ft (195.4 m)
Longest span260 ft (79.2 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,059 (2023)
Projected traffic25,104 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$11.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 285 over Wenatchee River & BNSF built?

It was built in 1933, making it 92 years old in 2025.

What condition is SR 285 over Wenatchee River & BNSF 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 2023.

How much traffic does SR 285 over Wenatchee River & BNSF carry?

About 20,059 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 285 over Wenatchee River & BNSF?

The structure is 641 ft (195.4 m) long with a longest span of 260 ft (79.2 m) and a deck 37 ft wide.

Who owns SR 285 over Wenatchee River & BNSF?

It is owned by the State Highway Agency.