US Bridges

Garfield Road over Deep Creek

Fair

Spokane County, Washington · 0.4 S Jacobs Road · Structure no. 085755000000000

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
77
2019 count
Owner
County
County Highway Agency

About this bridge

Garfield Road over Deep Creek is a prestressed concrete tee beam carrying Garfield Road over Deep Creek in Spokane County, Washington. It was built in 1987, so it is 38 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 6 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 77 vehicles a day, roughly 9% of them trucks, projected to reach 111 by 2041. The structure is 97 ft (29.6 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGarfield Road
CrossesDeep Creek
Location0.4 S Jacobs Road
RouteCounty Highway 1509
Coordinates47.70366, -117.59208
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span96 ft (29.3 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2019)
Projected traffic111 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Garfield Road over Deep Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Garfield Road over Deep 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 2023.

How much traffic does Garfield Road over Deep Creek carry?

About 77 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Garfield Road over Deep Creek?

The structure is 97 ft (29.6 m) long with a longest span of 96 ft (29.3 m) and a deck 31 ft wide.

Who owns Garfield Road over Deep Creek?

It is owned by the County Highway Agency.