US Bridges

Millerdale Ave over Wen Rec Irrig Canal

PoorPosted for load

Chelan County, Washington · Appleland DR · Structure no. 085134000000000

Built
1975
50 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
453
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Millerdale Ave over Wen Rec Irrig Canal is a prestressed concrete stringer/multi-beam or girder carrying Millerdale Ave over Wen Rec Irrig Canal in Chelan County, Washington. It was built in 1975, so it is 50 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 453 vehicles a day, roughly 5% of them trucks, projected to reach 660 by 2040. The structure is 30 ft (9.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMillerdale Ave
CrossesWen Rec Irrig Canal
LocationAppleland DR
RouteCity Street 14050
Coordinates47.41333, -120.32667
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span29 ft (8.9 m)
Deck width45 ft (13.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic453 (2024)
Projected traffic660 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Millerdale Ave over Wen Rec Irrig Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Millerdale Ave over Wen Rec Irrig Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Millerdale Ave over Wen Rec Irrig Canal carry?

About 453 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Millerdale Ave over Wen Rec Irrig Canal?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.9 m) and a deck 45 ft wide.

Who owns Millerdale Ave over Wen Rec Irrig Canal?

It is owned by the City or Municipal Highway Agency.