US Bridges

STC6867;GARDEN Crk over Garden Creek

Good

Custer County, Idaho · 2.0 W. Challis · Structure no. 000000000031668

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
140
2023 count
Owner
County
County Highway Agency

About this bridge

STC6867;GARDEN Crk over Garden Creek is a steel stringer/multi-beam or girder carrying STC6867;GARDEN Crk over Garden Creek in Custer County, Idaho. It was built in 2020, so it is 5 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140 vehicles a day, projected to reach 210 by 2042. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSTC6867;GARDEN Crk
CrossesGarden Creek
Location2.0 W. Challis
RouteCounty Highway 6867
StateIdaho
Coordinates44.50217, -114.27372
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span49 ft (15 m)
Deck width29 ft (8.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic210 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 STC6867;GARDEN Crk over Garden Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is STC6867;GARDEN Crk over Garden 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 STC6867;GARDEN Crk over Garden Creek carry?

About 140 vehicles per day (2023 count).

How long is STC6867;GARDEN Crk over Garden Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (15 m) and a deck 29 ft wide.

Who owns STC6867;GARDEN Crk over Garden Creek?

It is owned by the County Highway Agency.