US Bridges

STC5750;PINE Creek over Pine Creek

Fair

Shoshone County, Idaho · 3.4 S. Pinehurst · Structure no. 000000000020460

Built
1956
69 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
640
2023 count
Owner
County
County Highway Agency

About this bridge

STC5750;PINE Creek over Pine Creek is a prestressed concrete stringer/multi-beam or girder carrying STC5750;PINE Creek over Pine Creek in Shoshone County, Idaho. It was built in 1956, so it is 69 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 5 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 640 vehicles a day, roughly 10% of them trucks, projected to reach 960 by 2042. The structure is 72 ft (21.9 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSTC5750;PINE Creek
CrossesPine Creek
Location3.4 S. Pinehurst
RouteCounty Highway 5750
StateIdaho
Coordinates47.49039, -116.23978
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span67 ft (20.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2023)
Projected traffic960 by 2042
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$816,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC5750;PINE Creek over Pine Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is STC5750;PINE Creek over Pine 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 July 2024.

How much traffic does STC5750;PINE Creek over Pine Creek carry?

About 640 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is STC5750;PINE Creek over Pine Creek?

The structure is 72 ft (21.9 m) long with a longest span of 67 ft (20.4 m) and a deck 26 ft wide.

Who owns STC5750;PINE Creek over Pine Creek?

It is owned by the County Highway Agency.