US Bridges

CO RD 43010 over Highline Canal

FairPosted for load

Chelan County, Washington · 0.20N JCT US2/97 · Structure no. 084172000000000

Built
1974
51 years old, rebuilt 1983
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
488
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 43010 over Highline Canal is a prestressed concrete tee beam carrying CO RD 43010 over Highline Canal in Chelan County, Washington. It was built in 1974 and reconstructed in 1983, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 488 vehicles a day, roughly 2% of them trucks, projected to reach 643 by 2045. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCO RD 43010
CrossesHighline Canal
Location0.20N JCT US2/97
RouteCounty Highway 43010
Coordinates47.53833, -120.51333
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.3 US tons
Inventory rating14.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic488 (2020)
Projected traffic643 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 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 CO RD 43010 over Highline Canal built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1983.

What condition is CO RD 43010 over Highline Canal 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 October 2024.

How much traffic does CO RD 43010 over Highline Canal carry?

About 488 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is CO RD 43010 over Highline Canal?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.3 m) and a deck 30 ft wide.

Who owns CO RD 43010 over Highline Canal?

It is owned by the County Highway Agency.