US Bridges

Oregon Road over North Fork Dragoon Crk

Good

Spokane County, Washington · 0.5 MI E of Spotted Rd. · Structure no. 088501000000000

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
132
2020 count
Owner
County
County Highway Agency

About this bridge

Oregon Road over North Fork Dragoon Crk is a steel culvert carrying Oregon Road over North Fork Dragoon Crk in Spokane County, Washington. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 132 vehicles a day, roughly 24% of them trucks, projected to reach 190 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOregon Road
CrossesNorth Fork Dragoon Crk
Location0.5 MI E of Spotted Rd.
RouteCounty Highway 3531
Coordinates48.03306, -117.51151
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating84.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2020)
Projected traffic190 by 2042
Trucks24%
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$269,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oregon Road over North Fork Dragoon Crk built?

It was built in 2012, making it 13 years old in 2025.

What condition is Oregon Road over North Fork Dragoon Crk 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 September 2023.

How much traffic does Oregon Road over North Fork Dragoon Crk carry?

About 132 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is Oregon Road over North Fork Dragoon Crk?

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

Who owns Oregon Road over North Fork Dragoon Crk?

It is owned by the County Highway Agency.