US Bridges

Road over Mckenzie Riv

Fair

Lane County, Oregon · .1 W JCT HWY 126-FS 2650 · Structure no. 061807000001339

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Mckenzie Riv is a concrete continuous frame carrying Road over Mckenzie Riv in Lane County, Oregon. It was built in 1958, so it is 67 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 144 ft (43.9 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesMckenzie Riv
Location.1 W JCT HWY 126-FS 2650
RouteFederal Lands Road 26500
StateOregon
Coordinates44.20536, -122.03999
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating29 US tons
Inventory rating21.1 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span92 ft (28 m)
Deck width17 ft (5.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
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 Road over Mckenzie Riv built?

It was built in 1958, making it 67 years old in 2025.

What condition is Road over Mckenzie Riv 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 September 2023.

How much traffic does Road over Mckenzie Riv carry?

About 10 vehicles per day (2006 count).

How long is Road over Mckenzie Riv?

The structure is 144 ft (43.9 m) long with a longest span of 92 ft (28 m) and a deck 17 ft wide.

Who owns Road over Mckenzie Riv?

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