Road over Lost CR

Good

Linn County, Oregon · 17.1 M S JCT HWY 22-FS 10 · Structure no. 061804000001673

Built: 1957; 68 years old
Condition: Good; inspected October 2023
Type: Frame; Concrete Continuous
Length: 55 ft; 3 main spans
Daily traffic: 10; 2006 count
Owner: Federal; U.S. Forest Service

About this bridge

Road over Lost CR is a concrete continuous frame carrying Road over Lost CR in Linn County, Oregon. It was built in 1957, so it is 68 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 55 ft (16.8 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesRoad

CrossesLost CR

Location17.1 M S JCT HWY 22-FS 10

RouteFederal Lands Road 10000

CountyLinn County

StateOregon

Coordinates44.59417, -122.10479

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	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionOctober 2023

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 geometry4: Meets minimum tolerable limits to be left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating40.8 US tons

Inventory rating28.3 US tons

Structure

Structure typeFrame

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length55 ft (16.8 m)

Longest span35 ft (10.7 m)

Deck width20 ft (6.1 m)

Roadway width18 ft (5.5 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 Lost CR built?

It was built in 1957, making it 68 years old in 2025.

What condition is Road over Lost 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 October 2023.

How much traffic does Road over Lost CR carry?

About 10 vehicles per day (2006 count).

How long is Road over Lost CR?

The structure is 55 ft (16.8 m) long with a longest span of 35 ft (10.7 m) and a deck 20 ft wide.

Who owns Road over Lost CR?

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