US Bridges

Chelan Street over Paha Drainage Ditch

Good

Adams County, Washington · 0.02 SE Cherry Ave · Structure no. 085772000000000

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
42 ft
1 main span
Daily traffic
95
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chelan Street over Paha Drainage Ditch is a concrete continuous stringer/multi-beam or girder carrying Chelan Street over Paha Drainage Ditch in Adams County, Washington. It was built in 1987, so it is 38 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 95 vehicles a day, roughly 6% of them trucks, projected to reach 120 by 2039. The structure is 42 ft (12.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChelan Street
CrossesPaha Drainage Ditch
Location0.02 SE Cherry Ave
RouteCity Street 1090
Coordinates47.13183, -118.38332
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating47.8 US tons

Structure

MaterialConcrete Continuous
DeckOther
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2018)
Projected traffic120 by 2039
Trucks6%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Chelan Street over Paha Drainage Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Chelan Street over Paha Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Chelan Street over Paha Drainage Ditch carry?

About 95 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Chelan Street over Paha Drainage Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.6 m) and a deck 26 ft wide.

Who owns Chelan Street over Paha Drainage Ditch?

It is owned by the City or Municipal Highway Agency.