US Bridges

4002: Hunter-Trapp over East Fork Pine Creek

Good

Shoshone County, Idaho · 5.6 MI S of I90 · Structure no. 000000000L59844

Built
1998
27 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
25
2011 count
Owner
Federal
Bureau of Land Management

About this bridge

4002: Hunter-Trapp over East Fork Pine Creek is a steel stringer/multi-beam or girder carrying 4002: Hunter-Trapp over East Fork Pine Creek in Shoshone County, Idaho. It was built in 1998, so it is 27 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2040. The structure is 63 ft (19.2 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries4002: Hunter-Trapp
CrossesEast Fork Pine Creek
Location5.6 MI S of I90
RouteFederal Lands Road 0
StateIdaho
Coordinates47.47667, -116.22167
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span59 ft (18 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2011)
Projected traffic35 by 2040
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 4002: Hunter-Trapp over East Fork Pine Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is 4002: Hunter-Trapp over East Fork Pine 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 4002: Hunter-Trapp over East Fork Pine Creek carry?

About 25 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is 4002: Hunter-Trapp over East Fork Pine Creek?

The structure is 63 ft (19.2 m) long with a longest span of 59 ft (18 m) and a deck 14 ft wide.

Who owns 4002: Hunter-Trapp over East Fork Pine Creek?

It is owned by the Bureau of Land Management.