US Bridges

Chatcolet Road over Rock Creek

Good

Spokane County, Washington · 1.5 S Hoxie Road · Structure no. 087176000000000

Built
2004
21 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
48
2020 count
Owner
County
County Highway Agency

About this bridge

Chatcolet Road over Rock Creek is a prestressed concrete tee beam carrying Chatcolet Road over Rock Creek in Spokane County, Washington. It was built in 2004, so it is 21 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 48 vehicles a day, roughly 29% of them trucks, projected to reach 69 by 2042. The structure is 102 ft (31.1 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesChatcolet Road
CrossesRock Creek
Location1.5 S Hoxie Road
RouteCounty Highway 572
Coordinates47.42067, -117.08921
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span99 ft (30.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2020)
Projected traffic69 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Chatcolet Road over Rock Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Chatcolet Road over Rock 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 Chatcolet Road over Rock Creek carry?

About 48 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is Chatcolet Road over Rock Creek?

The structure is 102 ft (31.1 m) long with a longest span of 99 ft (30.2 m) and a deck 32 ft wide.

Who owns Chatcolet Road over Rock Creek?

It is owned by the County Highway Agency.