US Bridges

Greenacres RD over Johnson Creek

Good

Okanogan County, Washington · 4 Miles West of Riverside · Structure no. 089486000000000

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
265
2020 count
Owner
County
County Highway Agency

About this bridge

Greenacres RD over Johnson Creek is a concrete culvert carrying Greenacres RD over Johnson Creek in Okanogan County, Washington. It was built in 2023, so it is 2 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 265 vehicles a day, roughly 7% of them trucks, projected to reach 350 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGreenacres RD
CrossesJohnson Creek
Location4 Miles West of Riverside
RouteCounty Highway 28500
CountyOkanogan County
StateWashington
Coordinates48.49467, -119.52725
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.7 US tons
Inventory rating78.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2020)
Projected traffic350 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Greenacres RD over Johnson Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Greenacres RD over Johnson Creek 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 December 2023.

How much traffic does Greenacres RD over Johnson Creek carry?

About 265 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Greenacres RD over Johnson Creek?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m).

Who owns Greenacres RD over Johnson Creek?

It is owned by the County Highway Agency.