US Bridges

Fdr 712 over Quartz Creek

Fair

Clearwater County, Idaho · 50 Miles from Pierce Id · Structure no. 010503000000010

Built
1967
58 years old
Condition
Fair
inspected July 2020
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
20
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 712 over Quartz Creek is a wood or timber stringer/multi-beam or girder carrying Fdr 712 over Quartz Creek in Clearwater County, Idaho. It was built in 1967, so it is 58 years old, older than the Idaho average of 45.3 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 20 vehicles a day, projected to reach 30 by 2045. The structure is 29 ft (8.7 m) long and 16 ft wide.

Location

Open in Google Maps
CarriesFdr 712
CrossesQuartz Creek
Location50 Miles from Pierce Id
RouteFederal Lands Road 712
CountyClearwater County
StateIdaho
Coordinates46.83028, -115.36602
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2020
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (—)
Projected traffic30 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fdr 712 over Quartz Creek built?

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

What condition is Fdr 712 over Quartz 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 2020.

How much traffic does Fdr 712 over Quartz Creek carry?

About 20 vehicles per day (latest count).

How long is Fdr 712 over Quartz Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns Fdr 712 over Quartz Creek?

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