US Bridges

NW Buchanan Ave over Dixon CR

Fair

Benton County, Oregon · Between NW 3rd and 4th ST · Structure no. 03C18 000

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
4,785
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW Buchanan Ave over Dixon CR is a concrete continuous culvert carrying NW Buchanan Ave over Dixon CR in Benton County, Oregon. It was built in 1972, so it is 53 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.

It carries about 4,785 vehicles a day, roughly 10% of them trucks, projected to reach 6,790 by 2040. The structure is 25 ft (7.6 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesNW Buchanan Ave
CrossesDixon CR
LocationBetween NW 3rd and 4th ST
RouteCity Street 0
CountyBenton County
StateOregon
Coordinates44.57298, -123.25737
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span11 ft (3.4 m)
Deck width47 ft (14.2 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,785 (2020)
Projected traffic6,790 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 NW Buchanan Ave over Dixon CR built?

It was built in 1972, making it 53 years old in 2025.

What condition is NW Buchanan Ave over Dixon CR 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 July 2024.

How much traffic does NW Buchanan Ave over Dixon CR carry?

About 4,785 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is NW Buchanan Ave over Dixon CR?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m) and a deck 47 ft wide.

Who owns NW Buchanan Ave over Dixon CR?

It is owned by the City or Municipal Highway Agency.