US Bridges

Cunningham RD over Providence Coulee

Fair

Adams County, Washington · 00.07 MI W Cunningham · Structure no. 084554000000000

Built
1920
105 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
32 ft
1 main span
Daily traffic
279
2021 count
Owner
County
County Highway Agency

About this bridge

Cunningham RD over Providence Coulee is a concrete stringer/multi-beam or girder carrying Cunningham RD over Providence Coulee in Adams County, Washington. It was built in 1920, so it is 105 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 279 vehicles a day, roughly 25% of them trucks, projected to reach 320 by 2041. The structure is 32 ft (9.9 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCunningham RD
CrossesProvidence Coulee
Location00.07 MI W Cunningham
RouteCounty Highway 32361
CountyAdams County
StateWashington
Coordinates46.82155, -118.80923
Functional classRural Major 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 inspectionNovember 2023
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 alignment6: Equal to present minimum criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span31 ft (9.5 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279 (2021)
Projected traffic320 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cunningham RD over Providence Coulee built?

It was built in 1920, making it 105 years old in 2025.

What condition is Cunningham RD over Providence Coulee 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 Cunningham RD over Providence Coulee carry?

About 279 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is Cunningham RD over Providence Coulee?

The structure is 32 ft (9.9 m) long with a longest span of 31 ft (9.5 m) and a deck 27 ft wide.

Who owns Cunningham RD over Providence Coulee?

It is owned by the County Highway Agency.