US Bridges

6th Ave over Willow CR

Good

Malheur County, Oregon · 0045 NE JCT HWY 26 · Structure no. 15694A063100092

Built
1987
38 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

6th Ave over Willow CR is a prestressed concrete slab carrying 6th Ave over Willow CR in Malheur County, Oregon. It was built in 1987, so it is 38 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 20% of them trucks, projected to reach 127 by 2025. The structure is 63 ft (19.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries6th Ave
CrossesWillow CR
Location0045 NE JCT HWY 26
RouteCounty Highway C0631
CountyMalheur County
StateOregon
Coordinates44.07146, -117.28522
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic127 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 6th Ave over Willow CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is 6th Ave over Willow CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does 6th Ave over Willow CR carry?

About 110 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is 6th Ave over Willow CR?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns 6th Ave over Willow CR?

It is owned by the County Highway Agency.