US Bridges

3600000 over Middle Fk John Day River

Good

Grant County, Oregon · .1 MI S Inter C20 & 36 RD · Structure no. 060403000003007

Built
2002
23 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
80
Owner
Federal
U.S. Forest Service

About this bridge

3600000 over Middle Fk John Day River is a prestressed concrete stringer/multi-beam or girder carrying 3600000 over Middle Fk John Day River in Grant County, Oregon. It was built in 2002, so it is 23 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 80 vehicles a day, projected to reach 120 by 2045. The structure is 103 ft (31.3 m) long and 31 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Carries3600000
CrossesMiddle Fk John Day River
Location.1 MI S Inter C20 & 36 RD
RouteFederal Lands Road 36000
StateOregon
Coordinates44.69253, -118.79414
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.3 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (—)
Projected traffic120 by 2045
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 3600000 over Middle Fk John Day River built?

It was built in 2002, making it 23 years old in 2025.

What condition is 3600000 over Middle Fk John Day River 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 2021.

How much traffic does 3600000 over Middle Fk John Day River carry?

About 80 vehicles per day (latest count).

How long is 3600000 over Middle Fk John Day River?

The structure is 103 ft (31.3 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns 3600000 over Middle Fk John Day River?

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