US Bridges

Arlt RD over Intermittent Stream

Fair

Adams County, Washington · 00.15 MI W Wellsandt Rd. · Structure no. 080099000000000

Built
1900
125 years old, rebuilt 1950
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
29 ft
2 main spans
Daily traffic
17
2018 count
Owner
County
County Highway Agency

About this bridge

Arlt RD over Intermittent Stream is a steel continuous stringer/multi-beam or girder carrying Arlt RD over Intermittent Stream in Adams County, Washington. It was built in 1900 and reconstructed in 1950, so it is 125 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 5 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 17 vehicles a day, projected to reach 21 by 2039. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesArlt RD
CrossesIntermittent Stream
Location00.15 MI W Wellsandt Rd.
RouteCounty Highway 86084
CountyAdams County
StateWashington
Coordinates47.25228, -118.15372
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2018)
Projected traffic21 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Arlt RD over Intermittent Stream built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1950.

What condition is Arlt RD over Intermittent Stream 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 Arlt RD over Intermittent Stream carry?

About 17 vehicles per day (2018 count).

How long is Arlt RD over Intermittent Stream?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns Arlt RD over Intermittent Stream?

It is owned by the County Highway Agency.