US Bridges

Road over Log Creek

Fair

Clackamas County, Oregon · S-11 T-1S R-7E Wm · Structure no. 060604000001538

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
4
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Log Creek is a concrete continuous frame carrying Road over Log Creek in Clackamas County, Oregon. It was built in 1967, so it is 58 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 5 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 4 vehicles a day, projected to reach 6 by 2045. The structure is 140 ft (42.7 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesLog Creek
LocationS-11 T-1S R-7E Wm
RouteFederal Lands Road 10000
StateOregon
Coordinates45.49732, -121.90934
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.1 US tons
Inventory rating37 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length140 ft (42.7 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2006)
Projected traffic6 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-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 Log Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Road over Log Creek 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 July 2023.

How much traffic does Road over Log Creek carry?

About 4 vehicles per day (2006 count).

How long is Road over Log Creek?

The structure is 140 ft (42.7 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns Road over Log Creek?

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