US Bridges

19 NW over West Canal

Good

Grant County, Washington · 19 NW .6 W of B · Structure no. 086093000000000

Built
1994
31 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
147 ft
1 main span
Daily traffic
240
2020 count
Owner
County
County Highway Agency

About this bridge

19 NW over West Canal is a prestressed concrete tee beam carrying 19 NW over West Canal in Grant County, Washington. It was built in 1994, so it is 31 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 240 vehicles a day, roughly 18% of them trucks, projected to reach 400 by 2042. The structure is 147 ft (44.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries19 NW
CrossesWest Canal
Location19 NW .6 W of B
RouteCounty Highway 34200
Coordinates47.36897, -119.52254
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length147 ft (44.8 m)
Longest span146 ft (44.5 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2020)
Projected traffic400 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$5.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 19 NW over West Canal built?

It was built in 1994, making it 31 years old in 2025.

What condition is 19 NW over West Canal 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 2023.

How much traffic does 19 NW over West Canal carry?

About 240 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is 19 NW over West Canal?

The structure is 147 ft (44.8 m) long with a longest span of 146 ft (44.5 m) and a deck 30 ft wide.

Who owns 19 NW over West Canal?

It is owned by the County Highway Agency.