US Bridges

Cunningham RD over East Low Canal 4202+20

Fair

Adams County, Washington · 01.61 MI E Booker Rd. · Structure no. 079944000000000

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
478
2018 count
Owner
County
County Highway Agency

About this bridge

Cunningham RD over East Low Canal 4202+20 is a prestressed concrete stringer/multi-beam or girder carrying Cunningham RD over East Low Canal 4202+20 in Adams County, Washington. It was built in 1971, so it is 54 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 478 vehicles a day, roughly 31% of them trucks, projected to reach 595 by 2039. The structure is 85 ft (25.9 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCunningham RD
CrossesEast Low Canal 4202+20
Location01.61 MI E Booker Rd.
RouteCounty Highway 22361
Coordinates46.8245, -119.01447
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 alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span84 ft (25.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic478 (2018)
Projected traffic595 by 2039
Trucks31%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cunningham RD over East Low Canal 4202+20 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Cunningham RD over East Low Canal 4202+20 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 East Low Canal 4202+20 carry?

About 478 vehicles per day (2018 count), of which roughly 31% are trucks.

How long is Cunningham RD over East Low Canal 4202+20?

The structure is 85 ft (25.9 m) long with a longest span of 84 ft (25.7 m) and a deck 30 ft wide.

Who owns Cunningham RD over East Low Canal 4202+20?

It is owned by the County Highway Agency.