US Bridges

Sheep Farm Road over Beaver Creek

Good

Clark County, Idaho · 4.8 N 0.2 W Dubois · Structure no. 000000000031571

Built
2021
4 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Sheep Farm Road over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying Sheep Farm Road over Beaver Creek in Clark County, Idaho. It was built in 2021, so it is 4 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 30 vehicles a day, roughly 50% of them trucks, projected to reach 45 by 2042. The structure is 76 ft (23.2 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSheep Farm Road
CrossesBeaver Creek
Location4.8 N 0.2 W Dubois
RouteCounty Highway 0
StateIdaho
Coordinates44.2475, -112.24069
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2042
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sheep Farm Road over Beaver Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Sheep Farm Road over Beaver 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 2022.

How much traffic does Sheep Farm Road over Beaver Creek carry?

About 30 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is Sheep Farm Road over Beaver Creek?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 30 ft wide.

Who owns Sheep Farm Road over Beaver Creek?

It is owned by the County Highway Agency.