US Bridges

Road over North Fork John Day

Fair

Umatilla County, Oregon · HWY 395 & Road 3963. · Structure no. 061405000001020

Built
1956
69 years old, rebuilt 1989
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
75 ft
1 main span
Daily traffic
10
2009 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over North Fork John Day is a wood or timber stringer/multi-beam or girder carrying Road over North Fork John Day in Umatilla County, Oregon. It was built in 1956 and reconstructed in 1989, so it is 69 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 5 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 75 ft (22.9 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesNorth Fork John Day
LocationHWY 395 & Road 3963.
RouteFederal Lands Road 39630
StateOregon
Coordinates45.0017, -118.9892
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span74 ft (22.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2009)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over North Fork John Day built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1989.

What condition is Road over North Fork John Day 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 August 2023.

How much traffic does Road over North Fork John Day carry?

About 10 vehicles per day (2009 count).

How long is Road over North Fork John Day?

The structure is 75 ft (22.9 m) long with a longest span of 74 ft (22.5 m) and a deck 16 ft wide.

Who owns Road over North Fork John Day?

It is owned by the U.S. Forest Service.