US Bridges

Barkes RD over Agency Creek

Good

Yakima County, Washington · 0.98 S. of Branch · Structure no. 086379000000000

Built
1998
27 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Barkes RD over Agency Creek is a prestressed concrete stringer/multi-beam or girder carrying Barkes RD over Agency Creek in Yakima County, Washington. It was built in 1998, so it is 27 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 140 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2040. The structure is 127 ft (38.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBarkes RD
CrossesAgency Creek
Location0.98 S. of Branch
RouteCounty Highway 54950
Coordinates46.39048, -120.64932
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length127 ft (38.7 m)
Longest span125 ft (38.1 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic180 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$4.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Barkes RD over Agency Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Barkes RD over Agency 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 December 2022.

How much traffic does Barkes RD over Agency Creek carry?

About 140 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Barkes RD over Agency Creek?

The structure is 127 ft (38.7 m) long with a longest span of 125 ft (38.1 m) and a deck 32 ft wide.

Who owns Barkes RD over Agency Creek?

It is owned by the County Highway Agency.