US Bridges

STC3895;YELLOWPINE over Johnson Creek

Fair

Valley County, Idaho · 9 S. Yellow Pine · Structure no. 000000000033870

Built
1959
66 years old, rebuilt 1991
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
89 ft
3 main spans
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

STC3895;YELLOWPINE over Johnson Creek is a steel stringer/multi-beam or girder carrying STC3895;YELLOWPINE over Johnson Creek in Valley County, Idaho. It was built in 1959 and reconstructed in 1991, so it is 66 years old, older 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 89 ft (27.1 m) long and 19 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSTC3895;YELLOWPINE
CrossesJohnson Creek
Location9 S. Yellow Pine
RouteCounty Highway 0
StateIdaho
Coordinates44.80661, -115.5205
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
Deck8 Very GoodNo problems noted.
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 rating110.1 US tons
Inventory rating75 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadHS 25 or greater
Structure length89 ft (27.1 m)
Longest span27 ft (8.2 m)
Deck width19 ft (5.7 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 Johnson Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1991.

What condition is STC3895;YELLOWPINE over Johnson 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 Johnson Creek carry?

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

How long is STC3895;YELLOWPINE over Johnson Creek?

The structure is 89 ft (27.1 m) long with a longest span of 27 ft (8.2 m) and a deck 19 ft wide.

Who owns STC3895;YELLOWPINE over Johnson Creek?

It is owned by the County Highway Agency.