US Bridges

STC5750;PINE Creek over Pine Creek

Fair

Shoshone County, Idaho · 2.2 S. Pinehurst · Structure no. 000000000020470

Built
1953
72 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
87 ft
3 main spans
Daily traffic
880
2023 count
Owner
County
County Highway Agency

About this bridge

STC5750;PINE Creek over Pine Creek is a concrete tee beam carrying STC5750;PINE Creek over Pine Creek in Shoshone County, Idaho. It was built in 1953, so it is 72 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 880 vehicles a day, roughly 10% of them trucks, projected to reach 1,320 by 2042. The structure is 87 ft (26.5 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSTC5750;PINE Creek
CrossesPine Creek
Location2.2 S. Pinehurst
RouteCounty Highway 5750
StateIdaho
Coordinates47.5073, -116.2425
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length87 ft (26.5 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2023)
Projected traffic1,320 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$1.2 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC5750;PINE Creek over Pine Creek built?

It was built in 1953, making it 72 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 2023.

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

About 880 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is STC5750;PINE Creek over Pine Creek?

The structure is 87 ft (26.5 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns STC5750;PINE Creek over Pine Creek?

It is owned by the County Highway Agency.