US Bridges

Road over Quartz CR

Fair

Lane County, Oregon · 3.2 SE JCT Hy 126-FS 2618 · Structure no. 061801000001353

Built
1978
47 years old
Condition
Fair
inspected November 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
75
Owner
Federal
U.S. Forest Service

About this bridge

Road over Quartz CR is a prestressed concrete box beam or girders - multiple carrying Road over Quartz CR in Lane County, Oregon. It was built in 1978, so it is 47 years old, younger 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 75 vehicles a day, projected to reach 112 by 2045. The structure is 87 ft (26.5 m) long and 32 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesQuartz CR
Location3.2 SE JCT Hy 126-FS 2618
RouteFederal Lands Road 26180
StateOregon
Coordinates44.09898, -122.33957
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 inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100.1 US tons
Inventory rating78 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadOther
Structure length87 ft (26.5 m)
Longest span84 ft (25.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (—)
Projected traffic112 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 CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is Road over Quartz 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 Quartz CR carry?

About 75 vehicles per day (latest count).

How long is Road over Quartz CR?

The structure is 87 ft (26.5 m) long with a longest span of 84 ft (25.6 m) and a deck 32 ft wide.

Who owns Road over Quartz CR?

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