US Bridges

W. White Swan Rd. over Simcoe Crk. East Fork

Good

Yakima County, Washington · 0.29 E. Hawk Rd. · Structure no. 085864000000000

Built
1966
59 years old
Condition
Good
inspected December 2022
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
530
2020 count
Owner
County
County Highway Agency

About this bridge

W. White Swan Rd. over Simcoe Crk. East Fork is a concrete continuous slab carrying W. White Swan Rd. over Simcoe Crk. East Fork in Yakima County, Washington. It was built in 1966, so it is 59 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 530 vehicles a day, roughly 5% of them trucks, projected to reach 1,025 by 2040. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesW. White Swan Rd.
CrossesSimcoe Crk. East Fork
Location0.29 E. Hawk Rd.
RouteCounty Highway 55170
CountyYakima County
StateWashington
Coordinates46.38251, -120.76927
Functional classRural Major 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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2020)
Projected traffic1,025 by 2040
Trucks5%
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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W. White Swan Rd. over Simcoe Crk. East Fork built?

It was built in 1966, making it 59 years old in 2025.

What condition is W. White Swan Rd. over Simcoe Crk. East Fork 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 December 2022.

How much traffic does W. White Swan Rd. over Simcoe Crk. East Fork carry?

About 530 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is W. White Swan Rd. over Simcoe Crk. East Fork?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns W. White Swan Rd. over Simcoe Crk. East Fork?

It is owned by the County Highway Agency.