US Bridges

F Road NE over Main Canal

Good

Grant County, Washington · F NE .43 Mile N of 23 · Structure no. 087775000000000

Built
2008
17 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
1 main span
Daily traffic
18
2020 count
Owner
County
County Highway Agency

About this bridge

F Road NE over Main Canal is a prestressed concrete stringer/multi-beam or girder carrying F Road NE over Main Canal in Grant County, Washington. It was built in 2008, so it is 17 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 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 18 vehicles a day, roughly 32% of them trucks, projected to reach 150 by 2042. The structure is 148 ft (45.1 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesF Road NE
CrossesMain Canal
LocationF NE .43 Mile N of 23
RouteCounty Highway 50910
Coordinates47.43205, -119.36225
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating62.8 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length148 ft (45.1 m)
Longest span143 ft (43.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2020)
Projected traffic150 by 2042
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 F Road NE over Main Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is F Road NE over Main 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 January 2023.

How much traffic does F Road NE over Main Canal carry?

About 18 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is F Road NE over Main Canal?

The structure is 148 ft (45.1 m) long with a longest span of 143 ft (43.6 m) and a deck 26 ft wide.

Who owns F Road NE over Main Canal?

It is owned by the County Highway Agency.