US Bridges

NE Wilcox Ave over North Unit Canal

Fair

Deschutes County, Oregon · 00.5 MI W of Cnty Line · Structure no. 17C18 C23 00300

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
281
2020 count
Owner
County
County Highway Agency

About this bridge

NE Wilcox Ave over North Unit Canal is a prestressed concrete slab carrying NE Wilcox Ave over North Unit Canal in Deschutes County, Oregon. It was built in 1971, so it is 54 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 281 vehicles a day, roughly 2% of them trucks, projected to reach 306 by 2025. The structure is 61 ft (18.6 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE Wilcox Ave
CrossesNorth Unit Canal
Location00.5 MI W of Cnty Line
RouteCounty Highway 2171
StateOregon
Coordinates44.35613, -121.11844
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2020)
Projected traffic306 by 2025
Trucks2%
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 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 NE Wilcox Ave over North Unit Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is NE Wilcox Ave over North Unit 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 March 2024.

How much traffic does NE Wilcox Ave over North Unit Canal carry?

About 281 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is NE Wilcox Ave over North Unit Canal?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 34 ft wide.

Who owns NE Wilcox Ave over North Unit Canal?

It is owned by the County Highway Agency.