US Bridges

Mcdonald Road over Svid Canal

Good

Benton County, Washington · 00.80 N King Tull · Structure no. 082517000000000

Built
1993
32 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
93
2016 count
Owner
County
County Highway Agency

About this bridge

Mcdonald Road over Svid Canal is a prestressed concrete slab carrying Mcdonald Road over Svid Canal in Benton County, Washington. It was built in 1993, so it is 32 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 93 vehicles a day, roughly 28% of them trucks, projected to reach 150 by 2038. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcdonald Road
CrossesSvid Canal
Location00.80 N King Tull
RouteCounty Highway 24210
Coordinates46.25189, -119.72704
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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2016)
Projected traffic150 by 2038
Trucks28%
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$57,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcdonald Road over Svid Canal built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mcdonald 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 Mcdonald Road over Svid Canal carry?

About 93 vehicles per day (2016 count), of which roughly 28% are trucks.

How long is Mcdonald Road over Svid Canal?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns Mcdonald Road over Svid Canal?

It is owned by the County Highway Agency.