US Bridges

Dalton Road over Dragoon Creek

Good

Spokane County, Washington · 0.8 N Wild Rose RD · Structure no. 086209000000000

Built
1996
29 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
269
2019 count
Owner
County
County Highway Agency

About this bridge

Dalton Road over Dragoon Creek is a prestressed concrete tee beam carrying Dalton Road over Dragoon Creek in Spokane County, Washington. It was built in 1996, so it is 29 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 269 vehicles a day, roughly 20% of them trucks, projected to reach 387 by 2041. The structure is 62 ft (18.9 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDalton Road
CrossesDragoon Creek
Location0.8 N Wild Rose RD
RouteCounty Highway 810
Coordinates47.88597, -117.46534
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269 (2019)
Projected traffic387 by 2041
Trucks20%
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$648,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dalton Road over Dragoon Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Dalton 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 September 2023.

How much traffic does Dalton Road over Dragoon Creek carry?

About 269 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Dalton Road over Dragoon Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Dalton Road over Dragoon Creek?

It is owned by the County Highway Agency.