US Bridges

Road over S Fk Mckenzie River

Fair

Lane County, Oregon · 9.4 S JCT 126-FS 19 · Structure no. 061801000001753

Built
1959
66 years old
Condition
Fair
inspected October 2024
Type
Frame
Concrete Continuous
Length
267 ft
1 main span
Daily traffic
250
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over S Fk Mckenzie River is a concrete continuous frame carrying Road over S Fk Mckenzie River in Lane County, Oregon. It was built in 1959, so it is 66 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 250 vehicles a day, roughly 30% of them trucks, projected to reach 375 by 2045. The structure is 267 ft (81.4 m) long and 30 ft wide.

CarriesRoad
CrossesS Fk Mckenzie River
Location9.4 S JCT 126-FS 19
RouteFederal Lands Road 19000
StateOregon
Coordinates44.05823, -122.22125
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating26.7 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length267 ft (81.4 m)
Longest span105 ft (32 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2006)
Projected traffic375 by 2045
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 S Fk Mckenzie River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Road over S Fk Mckenzie River 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 October 2024.

How much traffic does Road over S Fk Mckenzie River carry?

About 250 vehicles per day (2006 count), of which roughly 30% are trucks.

How long is Road over S Fk Mckenzie River?

The structure is 267 ft (81.4 m) long with a longest span of 105 ft (32 m) and a deck 30 ft wide.

Who owns Road over S Fk Mckenzie River?

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