US Bridges

Buena Vista RD over Sidney Ditch

FairPosted for load

Marion County, Oregon · 04.0 NE of Ferry · Structure no. 47C19 054 00000

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
24 ft
1 main span
Daily traffic
783
2020 count
Owner
County
County Highway Agency

About this bridge

Buena Vista RD over Sidney Ditch is a concrete tee beam carrying Buena Vista RD over Sidney Ditch in Marion County, Oregon. It was built in 1958, so it is 67 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 5 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 783 vehicles a day, roughly 6% of them trucks, projected to reach 878 by 2025. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesBuena Vista RD
CrossesSidney Ditch
Location04.0 NE of Ferry
RouteCounty Highway A0562
CountyMarion County
StateOregon
Coordinates44.79607, -123.08448
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic783 (2020)
Projected traffic878 by 2025
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$160,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Buena Vista RD over Sidney Ditch built?

It was built in 1958, making it 67 years old in 2025.

What condition is Buena Vista RD over Sidney Ditch 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 August 2024.

How much traffic does Buena Vista RD over Sidney Ditch carry?

About 783 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Buena Vista RD over Sidney Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 31 ft wide.

Who owns Buena Vista RD over Sidney Ditch?

It is owned by the County Highway Agency.