US Bridges

Griffin RD over Svid Canal

Good

Benton County, Washington · .452 S King Tull · Structure no. 086351000000000

Built
1954
71 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
896
2016 count
Owner
County
County Highway Agency

About this bridge

Griffin RD over Svid Canal is a steel stringer/multi-beam or girder carrying Griffin RD over Svid Canal in Benton County, Washington. It was built in 1954, so it is 71 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 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 896 vehicles a day, roughly 40% of them trucks, projected to reach 1,000 by 2038. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGriffin RD
CrossesSvid Canal
Location.452 S King Tull
RouteCounty Highway 20250
Coordinates46.23721, -119.85229
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic896 (2016)
Projected traffic1,000 by 2038
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Griffin RD over Svid Canal built?

It was built in 1954, making it 71 years old in 2025.

What condition is Griffin RD over Svid 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 February 2024.

How much traffic does Griffin RD over Svid Canal carry?

About 896 vehicles per day (2016 count), of which roughly 40% are trucks.

How long is Griffin RD over Svid Canal?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns Griffin RD over Svid Canal?

It is owned by the County Highway Agency.