US Bridges

Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic

Fair

Power County, Idaho · 8.8 W. Chubbuck · Structure no. 000000000019110

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
262 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic is a prestressed concrete continuous box beam or girders - single or spread carrying Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic in Power County, Idaho. It was built in 1972, so it is 53 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 1,400 vehicles a day, roughly 8% of them trucks, projected to reach 2,100 by 2042. The structure is 262 ft (79.9 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesStc 1718;ARBON Vly
CrossesI 86;TRUCKERVILLE Ic
Location8.8 W. Chubbuck
RouteCounty Highway 1718
StateIdaho
Coordinates42.88842, -112.63361
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span130 ft (39.6 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic2,100 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic built?

It was built in 1972, making it 53 years old in 2025.

What condition is Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic 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 Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic carry?

About 1,400 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic?

The structure is 262 ft (79.9 m) long with a longest span of 130 ft (39.6 m) and a deck 40 ft wide.

Who owns Stc 1718;ARBON Vly over I 86;TRUCKERVILLE Ic?

It is owned by the State Highway Agency.