US Bridges

Pioneer Road over Svid Canal

Good

Benton County, Washington · 00.60 N King Tull · Structure no. 082648000000000

Built
1961
64 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
220
2018 count
Owner
County
County Highway Agency

About this bridge

Pioneer Road over Svid Canal is a prestressed concrete stringer/multi-beam or girder carrying Pioneer Road over Svid Canal in Benton County, Washington. It was built in 1961, so it is 64 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 220 vehicles a day, roughly 10% of them trucks, projected to reach 700 by 2038. The structure is 29 ft (8.8 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPioneer Road
CrossesSvid Canal
Location00.60 N King Tull
RouteCounty Highway 24310
Coordinates46.25089, -119.71664
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating42.9 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2018)
Projected traffic700 by 2038
Trucks10%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$358,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pioneer Road over Svid Canal built?

It was built in 1961, making it 64 years old in 2025.

What condition is Pioneer Road 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 Pioneer Road over Svid Canal carry?

About 220 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Pioneer Road over Svid Canal?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Pioneer Road over Svid Canal?

It is owned by the County Highway Agency.