US Bridges

60103-A over Moyer Creek

Good

Lemhi County, Idaho · 7 MI S. Cobalt .Ws. · Structure no. 041301000036065

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
5
2024 count
Owner
Federal
U.S. Forest Service

About this bridge

60103-A over Moyer Creek is a steel stringer/multi-beam or girder carrying 60103-A over Moyer Creek in Lemhi 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 5 vehicles a day, projected to reach 7 by 2045. The structure is 41 ft (12.4 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
Carries60103-A
CrossesMoyer Creek
Location7 MI S. Cobalt .Ws.
RouteFederal Lands Road 60103
CountyLemhi County
StateIdaho
Coordinates44.95892, -114.29361
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length41 ft (12.4 m)
Longest span39 ft (11.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic7 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 60103-A over Moyer Creek built?

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

What condition is 60103-A over Moyer 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 2024.

How much traffic does 60103-A over Moyer Creek carry?

About 5 vehicles per day (2024 count).

How long is 60103-A over Moyer Creek?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.9 m) and a deck 16 ft wide.

Who owns 60103-A over Moyer Creek?

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