US Bridges

County RD 570 over Mitchell Canal (jeneta)

FairPosted for load

Malheur County, Oregon · 006 E Sunset Market · Structure no. 15474A057001418

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
701
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 570 over Mitchell Canal (jeneta) is a prestressed concrete channel beam carrying County RD 570 over Mitchell Canal (jeneta) in Malheur County, Oregon. It was built in 1974, so it is 51 years old, older than the Oregon average of 49.9 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. Its operating status is: posted for load restriction.

It carries about 701 vehicles a day, roughly 20% of them trucks, projected to reach 806 by 2025. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty RD 570
CrossesMitchell Canal (jeneta)
Location006 E Sunset Market
RouteCounty Highway 0B487
StateOregon
Coordinates43.81652, -117.10448
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic701 (2020)
Projected traffic806 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 570 over Mitchell Canal (jeneta) built?

It was built in 1974, making it 51 years old in 2025.

What condition is County RD 570 over Mitchell Canal (jeneta) 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 October 2023.

How much traffic does County RD 570 over Mitchell Canal (jeneta) carry?

About 701 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is County RD 570 over Mitchell Canal (jeneta)?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns County RD 570 over Mitchell Canal (jeneta)?

It is owned by the County Highway Agency.