US Bridges

Staley Road over Dragoon Creek

Good

Spokane County, Washington · 0.5 E Monroe Road · Structure no. 086500000000000

Built
2000
25 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
1,241
2019 count
Owner
County
County Highway Agency

About this bridge

Staley Road over Dragoon Creek is a prestressed concrete stringer/multi-beam or girder carrying Staley Road over Dragoon Creek in Spokane County, Washington. It was built in 2000, so it is 25 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 1,241 vehicles a day, roughly 23% of them trucks, projected to reach 1,787 by 2041. The structure is 120 ft (36.6 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesStaley Road
CrossesDragoon Creek
Location0.5 E Monroe Road
RouteCounty Highway 4618
Coordinates47.90341, -117.48723
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,241 (2019)
Projected traffic1,787 by 2041
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$3.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Staley Road over Dragoon Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Staley Road over Dragoon 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 August 2023.

How much traffic does Staley Road over Dragoon Creek carry?

About 1,241 vehicles per day (2019 count), of which roughly 23% are trucks.

How long is Staley Road over Dragoon Creek?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns Staley Road over Dragoon Creek?

It is owned by the County Highway Agency.