US Bridges

7569: Skull Canyon over North Fork John Day Rive

FairPosted for load

Grant County, Oregon · 13.3 Miles N of Hwys 395 · Structure no. 0000000L1439400

Built
1950
75 years old, rebuilt 2008
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
88 ft
1 main span
Daily traffic
10
2023 count
Owner
Federal
Bureau of Land Management

About this bridge

7569: Skull Canyon over North Fork John Day Rive is a wood or timber stringer/multi-beam or girder carrying 7569: Skull Canyon over North Fork John Day Rive in Grant County, Oregon. It was built in 1950 and reconstructed in 2008, so it is 75 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 15 by 2043. The structure is 88 ft (26.9 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries7569: Skull Canyon
CrossesNorth Fork John Day Rive
Location13.3 Miles N of Hwys 395
RouteFederal Lands Road 0
StateOregon
Coordinates44.98139, -119.20861
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating18.5 US tons
Inventory rating14.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length88 ft (26.9 m)
Longest span87 ft (26.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 7569: Skull Canyon over North Fork John Day Rive built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2008.

What condition is 7569: Skull Canyon over North Fork John Day Rive 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 April 2023.

How much traffic does 7569: Skull Canyon over North Fork John Day Rive carry?

About 10 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 7569: Skull Canyon over North Fork John Day Rive?

The structure is 88 ft (26.9 m) long with a longest span of 87 ft (26.5 m) and a deck 16 ft wide.

Who owns 7569: Skull Canyon over North Fork John Day Rive?

It is owned by the Bureau of Land Management.