US Bridges

S5765;SILVR Valley over Moon Gulch

Good

Shoshone County, Idaho · 0.1 S. 3.0 E. Kellogg · Structure no. 000000000030801

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
1,200
2024 count
Owner
County
County Highway Agency

About this bridge

S5765;SILVR Valley over Moon Gulch is a prestressed concrete box beam or girders - multiple carrying S5765;SILVR Valley over Moon Gulch in Shoshone County, Idaho. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 6% of them trucks, projected to reach 1,800 by 2042. The structure is 36 ft (11 m) long and 44 ft wide.

CarriesS5765;SILVR Valley
CrossesMoon Gulch
Location0.1 S. 3.0 E. Kellogg
RouteCounty Highway 5765
StateIdaho
Coordinates47.53286, -116.05928
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length36 ft (11 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2024)
Projected traffic1,800 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S5765;SILVR Valley over Moon Gulch built?

It was built in 2024, making it 1 years old in 2025.

What condition is S5765;SILVR Valley over Moon Gulch 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 October 2024.

How much traffic does S5765;SILVR Valley over Moon Gulch carry?

About 1,200 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is S5765;SILVR Valley over Moon Gulch?

The structure is 36 ft (11 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns S5765;SILVR Valley over Moon Gulch?

It is owned by the County Highway Agency.