US Bridges

Canal Maintenance over East Low Canal - Crab Ck

Good

Grant County, Washington · Crab Ck Siphon NO.1 Outle · Structure no. 11ELC0052

Built
1947
78 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
5
2021 count
Owner
Federal
Bureau of Reclamation

About this bridge

Canal Maintenance over East Low Canal - Crab Ck is a concrete culvert carrying Canal Maintenance over East Low Canal - Crab Ck in Grant County, Washington. It was built in 1947, so it is 78 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 5 by 2041. The structure is 22 ft (6.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCanal Maintenance
CrossesEast Low Canal - Crab Ck
LocationCrab Ck Siphon NO.1 Outle
RouteFederal Lands Road 0
Coordinates47.41461, -119.36281
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating80.5 US tons
Inventory rating48.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span22 ft (6.8 m)
Deck width35 ft (10.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2021)
Projected traffic5 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Canal Maintenance over East Low Canal - Crab Ck built?

It was built in 1947, making it 78 years old in 2025.

What condition is Canal Maintenance over East Low Canal - Crab Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2021.

How much traffic does Canal Maintenance over East Low Canal - Crab Ck carry?

About 5 vehicles per day (2021 count).

How long is Canal Maintenance over East Low Canal - Crab Ck?

The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.8 m) and a deck 35 ft wide.

Who owns Canal Maintenance over East Low Canal - Crab Ck?

It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.