US Bridges

FSR 107 over Grave Creek

Good

Idaho County, Idaho · No Data Entered · Structure no. 011755000017882

Built
2014
11 years old
Condition
Good
inspected July 2020
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
15
2014 count
Owner
Federal
U.S. Forest Service

About this bridge

FSR 107 over Grave Creek is a prestressed concrete stringer/multi-beam or girder carrying FSR 107 over Grave Creek in Idaho County, Idaho. It was built in 2014, so it is 11 years old, younger than the Idaho average of 45.3 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 62 ft (18.9 m) long and 22 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFSR 107
CrossesGrave Creek
LocationNo Data Entered
RouteFederal Lands Road 107
StateIdaho
Coordinates46.457, -115.079
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 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 evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2014)
Projected traffic22 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 FSR 107 over Grave Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is FSR 107 over Grave 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 July 2020.

How much traffic does FSR 107 over Grave Creek carry?

About 15 vehicles per day (2014 count).

How long is FSR 107 over Grave Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.

Who owns FSR 107 over Grave Creek?

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