Road over Salmon CR

Good

Lane County, Oregon · 1 1/2 N JCT 58-E Fs 24 · Structure no. 061808000001379

Built: 1954; 71 years old
Condition: Good; inspected October 2022
Type: Frame; Concrete Continuous
Length: 115 ft; 3 main spans
Daily traffic: 25
Owner: Federal; U.S. Forest Service

About this bridge

Road over Salmon CR is a concrete continuous frame carrying Road over Salmon CR in Lane County, Oregon. It was built in 1954, so it is 71 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 115 ft (35.1 m) long and 19 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesRoad

CrossesSalmon CR

Location1 1/2 N JCT 58-E Fs 24

RouteFederal Lands Road 24000

CountyLane County

StateOregon

Coordinates43.78991, -122.27446

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	8 Very Good	No problems noted.

Last inspectionOctober 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 adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating48.1 US tons

Inventory rating38 US tons

Structure

Structure typeFrame

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadOther

Structure length115 ft (35.1 m)

Longest span75 ft (22.9 m)

Deck width19 ft (5.7 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 Salmon CR built?

It was built in 1954, making it 71 years old in 2025.

What condition is Road over Salmon 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 2022.

How much traffic does Road over Salmon CR carry?

About 25 vehicles per day (latest count).

How long is Road over Salmon CR?

The structure is 115 ft (35.1 m) long with a longest span of 75 ft (22.9 m) and a deck 19 ft wide.

Who owns Road over Salmon CR?

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