US Bridges

Marion Drain Road over Toppenish Creek

Good

Yakima County, Washington · .60 MI West of Island Rd. · Structure no. 087724000000000

Built
2007
18 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Marion Drain Road over Toppenish Creek is a prestressed concrete stringer/multi-beam or girder carrying Marion Drain Road over Toppenish Creek in Yakima County, Washington. It was built in 2007, so it is 18 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 65 by 2040. The structure is 90 ft (27.4 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMarion Drain Road
CrossesToppenish Creek
Location.60 MI West of Island Rd.
RouteCounty Highway 50900
Coordinates46.34622, -120.59834
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span86 ft (26.2 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic65 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Marion Drain Road over Toppenish Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Marion Drain Road over Toppenish Creek 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 April 2024.

How much traffic does Marion Drain Road over Toppenish Creek carry?

About 50 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Marion Drain Road over Toppenish Creek?

The structure is 90 ft (27.4 m) long with a longest span of 86 ft (26.2 m) and a deck 34 ft wide.

Who owns Marion Drain Road over Toppenish Creek?

It is owned by the County Highway Agency.