US Bridges

Flowery Trail over Windchester Creek

Good

Pend Oreille County, Washington · 6 Miles W of HWY 20 · Structure no. 088434000000000

Built
1999
26 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
350
2019 count
Owner
County
County Highway Agency

About this bridge

Flowery Trail over Windchester Creek is a steel culvert carrying Flowery Trail over Windchester Creek in Pend Oreille County, Washington. It was built in 1999, so it is 26 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 750 by 2039. The structure is 21 ft (6.4 m) long and 60 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFlowery Trail
CrossesWindchester Creek
Location6 Miles W of HWY 20
RouteCounty Highway 21100
Coordinates48.30138, -117.40447
Functional classRural Major Collector

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width60 ft (18.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2019)
Projected traffic750 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Flowery Trail over Windchester Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Flowery Trail over Windchester 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 July 2023.

How much traffic does Flowery Trail over Windchester Creek carry?

About 350 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Flowery Trail over Windchester Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 60 ft wide.

Who owns Flowery Trail over Windchester Creek?

It is owned by the County Highway Agency.