US Bridges

Brooks Road over Coulee Creek

Fair

Spokane County, Washington · 0.4 S Coulee-Hite · Structure no. 082499000000000

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
187 ft
3 main spans
Daily traffic
147
2020 count
Owner
County
County Highway Agency

About this bridge

Brooks Road over Coulee Creek is a prestressed concrete continuous tee beam carrying Brooks Road over Coulee Creek in Spokane County, Washington. It was built in 1981, so it is 44 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 147 vehicles a day, roughly 19% of them trucks, projected to reach 211 by 2042. The structure is 187 ft (57.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesBrooks Road
CrossesCoulee Creek
Location0.4 S Coulee-Hite
RouteCounty Highway 330
CountySpokane County
StateWashington
Coordinates47.73095, -117.68369
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckOther
Main spans3
Design loadH 20
Structure length187 ft (57.1 m)
Longest span63 ft (19.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2020)
Projected traffic211 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brooks Road over Coulee Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Brooks Road over Coulee Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Brooks Road over Coulee Creek carry?

About 147 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is Brooks Road over Coulee Creek?

The structure is 187 ft (57.1 m) long with a longest span of 63 ft (19.1 m) and a deck 30 ft wide.

Who owns Brooks Road over Coulee Creek?

It is owned by the County Highway Agency.