US Bridges

Roloff RD over Dry Wash

Fair

Adams County, Washington · 0.8 E SR261 · Structure no. 080530000000000

Built
1953
72 years old, rebuilt 1968
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
2 main spans
Daily traffic
13
2018 count
Owner
County
County Highway Agency

About this bridge

Roloff RD over Dry Wash is a steel stringer/multi-beam or girder carrying Roloff RD over Dry Wash in Adams County, Washington. It was built in 1953 and reconstructed in 1968, so it is 72 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 13 vehicles a day, roughly 37% of them trucks, projected to reach 16 by 2039. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoloff RD
CrossesDry Wash
Location0.8 E SR261
RouteCounty Highway 84064
Coordinates47.00124, -118.32836
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.
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 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 rating33.2 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span12 ft (3.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2018)
Projected traffic16 by 2039
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Roloff RD over Dry Wash built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1968.

What condition is Roloff 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 Roloff RD over Dry Wash carry?

About 13 vehicles per day (2018 count), of which roughly 37% are trucks.

How long is Roloff RD over Dry Wash?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.6 m) and a deck 24 ft wide.

Who owns Roloff RD over Dry Wash?

It is owned by the County Highway Agency.