US Bridges

Road over Quartz Creek

Good

Lane County, Oregon · No Data Entered · Structure no. 061801000035820

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
10
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Quartz Creek is a prestressed concrete box beam or girders - multiple carrying Road over Quartz Creek in Lane County, Oregon. It was built in 2023, so it is 2 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 117 ft (35.7 m) long and 20 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesQuartz Creek
LocationNo Data Entered
RouteFederal Lands Road 26183
StateOregon
Coordinates44.12334, -122.37869
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.7 US tons
Inventory rating72.9 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length117 ft (35.7 m)
Longest span116 ft (35.4 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 2023, making it 2 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 December 2023.

How much traffic does Road over Quartz Creek carry?

About 10 vehicles per day (2022 count).

How long is Road over Quartz Creek?

The structure is 117 ft (35.7 m) long with a longest span of 116 ft (35.4 m) and a deck 20 ft wide.

Who owns Road over Quartz Creek?

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