US Bridges

Thiel RD over Dry Wash

Fair

Adams County, Washington · 0.04 MI S Lind-Ralston · Structure no. 082866000000000

Built
1916
109 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
26
2018 count
Owner
County
County Highway Agency

About this bridge

Thiel RD over Dry Wash is a concrete culvert carrying Thiel RD over Dry Wash in Adams County, Washington. It was built in 1916, so it is 109 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 26 vehicles a day, roughly 5% of them trucks, projected to reach 33 by 2039. The structure is 33 ft (10.1 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesThiel RD
CrossesDry Wash
Location0.04 MI S Lind-Ralston
RouteCounty Highway 45611
CountyAdams County
StateWashington
Coordinates46.95134, -118.42887
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2018)
Projected traffic33 by 2039
Trucks5%
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$1.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thiel RD over Dry Wash built?

It was built in 1916, making it 109 years old in 2025.

What condition is Thiel RD over Dry Wash 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 Thiel RD over Dry Wash carry?

About 26 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Thiel RD over Dry Wash?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.2 m) and a deck 22 ft wide.

Who owns Thiel RD over Dry Wash?

It is owned by the County Highway Agency.