US Bridges

Road over Quartz Creek

Good

Douglas County, Oregon · No Data Entered · Structure no. 061502000001404

Built
1954
71 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
15
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Quartz Creek is a concrete continuous frame carrying Road over Quartz Creek in Douglas 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 75 ft (22.9 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesQuartz Creek
LocationNo Data Entered
RouteFederal Lands Road 28000
StateOregon
Coordinates43.07824, -122.65507
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating30 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2006)
Projected traffic22 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 Quartz Creek built?

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

What condition is Road over Quartz Creek 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 2024.

How much traffic does Road over Quartz Creek carry?

About 15 vehicles per day (2006 count).

How long is Road over Quartz Creek?

The structure is 75 ft (22.9 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns Road over Quartz Creek?

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