US Bridges

Trapper Creek RD over Trapper Creek

Good

Shoshone County, Idaho · 4.5 S. 0.8 E. Pinehurst · Structure no. 000000000030813

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Trapper Creek RD over Trapper Creek is a steel stringer/multi-beam or girder carrying Trapper Creek RD over Trapper Creek in Shoshone 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 5% of them trucks, projected to reach 45 by 2041. The structure is 45 ft (13.7 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesTrapper Creek RD
CrossesTrapper Creek
Location4.5 S. 0.8 E. Pinehurst
RouteCounty Highway 0
StateIdaho
Coordinates47.46983, -116.21981
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 inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Trapper Creek RD over Trapper Creek built?

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

What condition is Trapper Creek RD over Trapper 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 August 2023.

How much traffic does Trapper Creek RD over Trapper Creek carry?

About 30 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Trapper Creek RD over Trapper Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 18 ft wide.

Who owns Trapper Creek RD over Trapper Creek?

It is owned by the County Highway Agency.