US Bridges

Schrag RD over Farrier Coulee

Fair

Adams County, Washington · 00.61 MI W Deal RD · Structure no. 079849000000000

Built
1938
87 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
98 ft
4 main spans
Daily traffic
57
2021 count
Owner
County
County Highway Agency

About this bridge

Schrag RD over Farrier Coulee is a concrete continuous slab carrying Schrag RD over Farrier Coulee in Adams County, Washington. It was built in 1938, so it is 87 years old, older 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 57 vehicles a day, roughly 48% of them trucks, projected to reach 92 by 2039. The structure is 98 ft (29.9 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSchrag RD
CrossesFarrier Coulee
Location00.61 MI W Deal RD
RouteCounty Highway 64431
Coordinates47.08546, -118.88736
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating35.4 US tons
Inventory rating27.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length98 ft (29.9 m)
Longest span25 ft (7.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2021)
Projected traffic92 by 2039
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Schrag RD over Farrier Coulee built?

It was built in 1938, making it 87 years old in 2025.

What condition is Schrag RD over Farrier Coulee 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 November 2023.

How much traffic does Schrag RD over Farrier Coulee carry?

About 57 vehicles per day (2021 count), of which roughly 48% are trucks.

How long is Schrag RD over Farrier Coulee?

The structure is 98 ft (29.9 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns Schrag RD over Farrier Coulee?

It is owned by the County Highway Agency.