US Bridges

Road over N Fk Willamette

Good

Lane County, Oregon · 16 1/2 NE MP 33.6-N Fs · Structure no. 061808000001550

Built
1955
70 years old
Condition
Good
inspected June 2022
Type
Tee Beam
Concrete Continuous
Length
200 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road over N Fk Willamette is a concrete continuous tee beam carrying Road over N Fk Willamette in Lane County, Oregon. It was built in 1955, so it is 70 years old, older 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 200 ft (61 m) long and 19 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesN Fk Willamette
Location16 1/2 NE MP 33.6-N Fs
RouteFederal Lands Road 19260
StateOregon
Coordinates43.88604, -122.37281
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating63.1 US tons
Inventory rating55 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadOther
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width19 ft (5.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 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 N Fk Willamette built?

It was built in 1955, making it 70 years old in 2025.

What condition is Road over N Fk Willamette 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 June 2022.

How much traffic does Road over N Fk Willamette carry?

About 50 vehicles per day (latest count).

How long is Road over N Fk Willamette?

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 19 ft wide.

Who owns Road over N Fk Willamette?

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