US Bridges

Fdr 111 over White Sands Creek

Fair

Idaho County, Idaho · White Sands-Rd 111 · Structure no. 010506000000104

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 111 over White Sands Creek is a prestressed concrete stringer/multi-beam or girder carrying Fdr 111 over White Sands Creek in Idaho County, Idaho. It was built in 1970, so it is 55 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 160 ft (48.8 m) long and 29 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 111
CrossesWhite Sands Creek
LocationWhite Sands-Rd 111
RouteFederal Lands Road 111
StateIdaho
Coordinates46.50892, -114.68076
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span75 ft (22.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-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 Fdr 111 over White Sands Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Fdr 111 over White Sands 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 October 2024.

How much traffic does Fdr 111 over White Sands Creek carry?

About 50 vehicles per day (latest count).

How long is Fdr 111 over White Sands Creek?

The structure is 160 ft (48.8 m) long with a longest span of 75 ft (22.9 m) and a deck 29 ft wide.

Who owns Fdr 111 over White Sands Creek?

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