US Bridges

STC3895;YELLOWPINE over Trout Creek

Fair

Valley County, Idaho · 14 S. Yellow Pine · Structure no. 000000000033865

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

STC3895;YELLOWPINE over Trout Creek is a wood or timber stringer/multi-beam or girder carrying STC3895;YELLOWPINE over Trout Creek in Valley County, Idaho. It was built in 1985, so it is 40 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 70 vehicles a day, roughly 75% of them trucks, projected to reach 105 by 2042. The structure is 24 ft (7.3 m) long and 19 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSTC3895;YELLOWPINE
CrossesTrout Creek
Location14 S. Yellow Pine
RouteCounty Highway 0
CountyValley County
StateIdaho
Coordinates44.74614, -115.55408
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic105 by 2042
Trucks75%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 STC3895;YELLOWPINE over Trout Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is STC3895;YELLOWPINE over Trout Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does STC3895;YELLOWPINE over Trout Creek carry?

About 70 vehicles per day (2023 count), of which roughly 75% are trucks.

How long is STC3895;YELLOWPINE over Trout Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 19 ft wide.

Who owns STC3895;YELLOWPINE over Trout Creek?

It is owned by the County Highway Agency.