US Bridges

Schrag RD over Bauer Coulee

Fair

Adams County, Washington · 00.90 MI E SR21 · Structure no. 084689000000000

Built
1938
87 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
53
2020 count
Owner
County
County Highway Agency

About this bridge

Schrag RD over Bauer Coulee is a concrete continuous slab carrying Schrag RD over Bauer 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 53 vehicles a day, roughly 52% of them trucks, projected to reach 65 by 2041. The structure is 74 ft (22.6 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesSchrag RD
CrossesBauer Coulee
Location00.90 MI E SR21
RouteCounty Highway 74431
CountyAdams County
StateWashington
Coordinates47.092, -118.64829
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 rating30 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length74 ft (22.6 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2020)
Projected traffic65 by 2041
Trucks52%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Schrag RD over Bauer Coulee built?

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

What condition is Schrag RD over Bauer 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 October 2024.

How much traffic does Schrag RD over Bauer Coulee carry?

About 53 vehicles per day (2020 count), of which roughly 52% are trucks.

How long is Schrag RD over Bauer Coulee?

The structure is 74 ft (22.6 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Schrag RD over Bauer Coulee?

It is owned by the County Highway Agency.