US Bridges

Road over N Fk Willamette R

Good

Lane County, Oregon · No Data Entered · Structure no. 061805000001445

Built
1959
66 years old
Condition
Good
inspected November 2024
Type
Frame
Concrete Continuous
Length
149 ft
2 main spans
Daily traffic
25
Owner
Federal
U.S. Forest Service

About this bridge

Road over N Fk Willamette R is a concrete continuous frame carrying Road over N Fk Willamette R 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 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 149 ft (45.3 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesRoad
CrossesN Fk Willamette R
LocationNo Data Entered
RouteFederal Lands Road 21430
CountyLane County
StateOregon
Coordinates43.5007, -122.31384
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating40 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadOther
Structure length149 ft (45.3 m)
Longest span83 ft (25.3 m)
Deck width17 ft (5.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (—)
Projected traffic37 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 R built?

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

What condition is Road over N Fk Willamette R 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 November 2024.

How much traffic does Road over N Fk Willamette R carry?

About 25 vehicles per day (latest count).

How long is Road over N Fk Willamette R?

The structure is 149 ft (45.3 m) long with a longest span of 83 ft (25.3 m) and a deck 17 ft wide.

Who owns Road over N Fk Willamette R?

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