Road over Grassy CR

Good

Lane County, Oregon · No Data Entered · Structure no. 061808000001553

Built: 1961; 64 years old
Condition: Good; inspected December 2021
Type: Frame; Concrete Continuous
Length: 75 ft; 3 main spans
Daily traffic: 10
Owner: Federal; U.S. Forest Service

About this bridge

Road over Grassy CR is a concrete continuous frame carrying Road over Grassy CR in Lane County, Oregon. It was built in 1961, so it is 64 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 75 ft (22.9 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesRoad

CrossesGrassy CR

LocationNo Data Entered

RouteFederal Lands Road 19270

CountyLane County

StateOregon

Coordinates43.92297, -122.28746

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionDecember 2021

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating42 US tons

Inventory rating37 US tons

Structure

Structure typeFrame

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadOther

Structure length75 ft (22.9 m)

Longest span50 ft (15.2 m)

Deck width17 ft (5.2 m)

Roadway width14 ft (4.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (—)

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 Grassy CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is Road over Grassy CR 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 December 2021.

How much traffic does Road over Grassy CR carry?

About 10 vehicles per day (latest count).

How long is Road over Grassy CR?

The structure is 75 ft (22.9 m) long with a longest span of 50 ft (15.2 m) and a deck 17 ft wide.

Who owns Road over Grassy CR?

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