US Bridges

Cunningham RD over Intermittent Stream

Fair

Adams County, Washington · 00.10 MI W SR395 · Structure no. 080215000000000

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
35 ft
2 main spans
Daily traffic
78
2021 count
Owner
County
County Highway Agency

About this bridge

Cunningham RD over Intermittent Stream is a concrete slab carrying Cunningham RD over Intermittent Stream in Adams County, Washington. It was built in 1958, so it is 67 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 78 vehicles a day, roughly 27% of them trucks, projected to reach 80 by 2041. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCunningham RD
CrossesIntermittent Stream
Location00.10 MI W SR395
RouteCounty Highway 32361
Coordinates46.82291, -118.67809
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
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 spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2021)
Projected traffic80 by 2041
Trucks27%
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$1.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cunningham RD over Intermittent Stream built?

It was built in 1958, making it 67 years old in 2025.

What condition is Cunningham 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 October 2024.

How much traffic does Cunningham RD over Intermittent Stream carry?

About 78 vehicles per day (2021 count), of which roughly 27% are trucks.

How long is Cunningham RD over Intermittent Stream?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 26 ft wide.

Who owns Cunningham RD over Intermittent Stream?

It is owned by the County Highway Agency.