US Bridges

County Road over Eltopia Branch Canal

Fair

Franklin County, Washington · 2.91 JCT R SR-395 · Structure no. 084783000000000

Built
1970
55 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
43 ft
2 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over Eltopia Branch Canal is a steel continuous stringer/multi-beam or girder carrying County Road over Eltopia Branch Canal in Franklin County, Washington. It was built in 1970, so it is 55 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 20% of them trucks, projected to reach 500 by 2042. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesCounty Road
CrossesEltopia Branch Canal
Location2.91 JCT R SR-395
RouteCounty Highway 9090
CountyFranklin County
StateWashington
Coordinates46.39474, -119.02098
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating106.8 US tons
Inventory rating99.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckClosed grating
Main spans2
Design loadH 20
Structure length43 ft (13.1 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic500 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Eltopia Branch Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is County Road over Eltopia Branch Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2022.

How much traffic does County Road over Eltopia Branch Canal carry?

About 200 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is County Road over Eltopia Branch Canal?

The structure is 43 ft (13.1 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns County Road over Eltopia Branch Canal?

It is owned by the County Highway Agency.