US Bridges

Road over Elk CR

Fair

Linn County, Oregon · 25 NE JCT 20-FS 1131 · Structure no. 061803000001650

Built
1962
63 years old
Condition
Fair
inspected November 2021
Type
Frame
Concrete Continuous
Length
109 ft
3 main spans
Daily traffic
10
Owner
Federal
U.S. Forest Service

About this bridge

Road over Elk CR is a concrete continuous frame carrying Road over Elk CR in Linn County, Oregon. It was built in 1962, so it is 63 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 109 ft (33.2 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesElk CR
Location25 NE JCT 20-FS 1131
RouteFederal Lands Road 11311
StateOregon
Coordinates44.62758, -122.31959
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2021
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 adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.1 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length109 ft (33.2 m)
Longest span73 ft (22.3 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 Elk CR built?

It was built in 1962, making it 63 years old in 2025.

What condition is Road over Elk CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2021.

How much traffic does Road over Elk CR carry?

About 10 vehicles per day (latest count).

How long is Road over Elk CR?

The structure is 109 ft (33.2 m) long with a longest span of 73 ft (22.3 m) and a deck 17 ft wide.

Who owns Road over Elk CR?

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