US Bridges

Tule Rd. over Irrigation Canal

FairPosted for load

Yakima County, Washington · 00.48 W Plank Road · Structure no. 080428000000000

Built
1957
68 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
36
2019 count
Owner
County
County Highway Agency

About this bridge

Tule Rd. over Irrigation Canal is a wood or timber stringer/multi-beam or girder carrying Tule Rd. over Irrigation Canal in Yakima County, Washington. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 36 vehicles a day, roughly 5% of them trucks, projected to reach 40 by 2039. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesTule Rd.
CrossesIrrigation Canal
Location00.48 W Plank Road
RouteCounty Highway 73950
Coordinates46.295, -120.22833
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating18.2 US tons
Inventory rating13.9 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length78 ft (23.8 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2019)
Projected traffic40 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tule Rd. over Irrigation Canal built?

It was built in 1957, making it 68 years old in 2025.

What condition is Tule Rd. over Irrigation Canal 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 January 2023.

How much traffic does Tule Rd. over Irrigation Canal carry?

About 36 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Tule Rd. over Irrigation Canal?

The structure is 78 ft (23.8 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns Tule Rd. over Irrigation Canal?

It is owned by the County Highway Agency.