US Bridges

Anderson RD over Intermittent Stream

Fair

Adams County, Washington · 00.44 N SR395 · Structure no. 085745000000000

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1
2018 count
Owner
County
County Highway Agency

About this bridge

Anderson RD over Intermittent Stream is a concrete slab carrying Anderson RD over Intermittent Stream in Adams County, Washington. It was built in 1961, so it is 64 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 1 vehicles a day, projected to reach 1 by 2039. The structure is 23 ft (7.1 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesAnderson RD
CrossesIntermittent Stream
Location00.44 N SR395
RouteCounty Highway 75304
Coordinates47.00924, -118.53082
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
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 rating36 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span22 ft (6.8 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2018)
Projected traffic1 by 2039
Trucks0%
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 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 Anderson RD over Intermittent Stream built?

It was built in 1961, making it 64 years old in 2025.

What condition is Anderson 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 Anderson RD over Intermittent Stream carry?

About 1 vehicles per day (2018 count).

How long is Anderson RD over Intermittent Stream?

The structure is 23 ft (7.1 m) long with a longest span of 22 ft (6.8 m) and a deck 24 ft wide.

Who owns Anderson RD over Intermittent Stream?

It is owned by the County Highway Agency.