US Bridges

County RD 65 over Canyon Creek

Fair

Grant County, Oregon · 029 MI SE JCT US RTE 395 · Structure no. 12C20 065 00310

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
185
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 65 over Canyon Creek is a concrete continuous culvert carrying County RD 65 over Canyon Creek in Grant County, Oregon. It was built in 1960, so it is 65 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 185 vehicles a day, roughly 10% of them trucks, projected to reach 205 by 2025. The structure is 33 ft (10.1 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesCounty RD 65
CrossesCanyon Creek
Location029 MI SE JCT US RTE 395
RouteCounty Highway 0B532
CountyGrant County
StateOregon
Coordinates44.2566, -118.9247
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length33 ft (10.1 m)
Longest span17 ft (5.2 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2020)
Projected traffic205 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 65 over Canyon Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is County RD 65 over Canyon Creek 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 2024.

How much traffic does County RD 65 over Canyon Creek carry?

About 185 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 65 over Canyon Creek?

The structure is 33 ft (10.1 m) long with a longest span of 17 ft (5.2 m) and a deck 31 ft wide.

Who owns County RD 65 over Canyon Creek?

It is owned by the County Highway Agency.