US Bridges

N. Juniper Canyon over N Fk Juniper Canyon

FairPosted for load

Umatilla County, Oregon · 0.7 MI W of Hartle Road · Structure no. 59C156089600072

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

N. Juniper Canyon over N Fk Juniper Canyon is a steel stringer/multi-beam or girder carrying N. Juniper Canyon over N Fk Juniper Canyon in Umatilla 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 47 by 2025. The structure is 42 ft (12.8 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesN. Juniper Canyon
CrossesN Fk Juniper Canyon
Location0.7 MI W of Hartle Road
RouteCounty Highway 0
CountyUmatilla County
StateOregon
Coordinates45.95169, -118.89221
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic47 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 N. Juniper Canyon over N Fk Juniper Canyon built?

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

What condition is N. Juniper Canyon over N Fk Juniper Canyon 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 N. Juniper Canyon over N Fk Juniper Canyon carry?

About 40 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is N. Juniper Canyon over N Fk Juniper Canyon?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns N. Juniper Canyon over N Fk Juniper Canyon?

It is owned by the County Highway Agency.