US Bridges

Road over Clear Fork Sandy River

Fair

Clackamas County, Oregon · S-17 T-2S R-8E Wm · Structure no. 060609000001488

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Frame
Concrete Continuous
Length
96 ft
2 main spans
Daily traffic
15
Owner
Federal
U.S. Forest Service

About this bridge

Road over Clear Fork Sandy River is a concrete continuous frame carrying Road over Clear Fork Sandy River in Clackamas County, Oregon. It was built in 1975, so it is 50 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 96 ft (29.3 m) long and 18 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesRoad
CrossesClear Fork Sandy River
LocationS-17 T-2S R-8E Wm
RouteFederal Lands Road 18280
CountyClackamas County
StateOregon
Coordinates45.39209, -121.85959
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating24 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length96 ft (29.3 m)
Longest span75 ft (22.9 m)
Deck width18 ft (5.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (—)
Projected traffic22 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 Clear Fork Sandy River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Road over Clear Fork Sandy River 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 August 2024.

How much traffic does Road over Clear Fork Sandy River carry?

About 15 vehicles per day (latest count).

How long is Road over Clear Fork Sandy River?

The structure is 96 ft (29.3 m) long with a longest span of 75 ft (22.9 m) and a deck 18 ft wide.

Who owns Road over Clear Fork Sandy River?

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