US Bridges

Cottage Avenue over Wenatchee River

Fair

Chelan County, Washington · 0.14W JCT US2 & 97 · Structure no. 080098000000000

Built
1983
42 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
400 ft
4 main spans
Daily traffic
8,366
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cottage Avenue over Wenatchee River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cottage Avenue over Wenatchee River in Chelan County, Washington. It was built in 1983, so it is 42 years old, younger 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 8,366 vehicles a day, roughly 8% of them trucks, projected to reach 10,464 by 2044. The structure is 400 ft (122 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCottage Avenue
CrossesWenatchee River
Location0.14W JCT US2 & 97
RouteCity Street 92410
Coordinates47.52066, -120.45849
Functional classUrban Collector

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating68.6 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length400 ft (122 m)
Longest span100 ft (30.5 m)
Deck width49 ft (14.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,366 (2020)
Projected traffic10,464 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottage Avenue over Wenatchee River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Cottage Avenue over Wenatchee River 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 August 2024.

How much traffic does Cottage Avenue over Wenatchee River carry?

About 8,366 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Cottage Avenue over Wenatchee River?

The structure is 400 ft (122 m) long with a longest span of 100 ft (30.5 m) and a deck 49 ft wide.

Who owns Cottage Avenue over Wenatchee River?

It is owned by the City or Municipal Highway Agency.