US Bridges

Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake

Good

Power County, Idaho · 10.4 N. Pauline · Structure no. 000000000019100

Built
1964
61 years old
Condition
Good
inspected April 2021
Type
Frame
Concrete
Length
29 ft
1 main span
Daily traffic
160
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake is a concrete frame carrying Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake in Power County, Idaho. It was built in 1964, so it is 61 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 160 vehicles a day, roughly 23% of them trucks, projected to reach 240 by 2042. The structure is 29 ft (8.8 m) long and 36 ft wide. If it were closed, the detour would be 46 mi (74 km).

Location

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CarriesStc 1718;ARBON Vly
CrossesBannock Cr.;rattlesnake
Location10.4 N. Pauline
RouteCounty Highway 1718
CountyPower County
StateIdaho
Coordinates42.70103, -112.60128
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2023)
Projected traffic240 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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 Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake built?

It was built in 1964, making it 61 years old in 2025.

What condition is Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2021.

How much traffic does Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake carry?

About 160 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.

Who owns Stc 1718;ARBON Vly over Bannock Cr.;rattlesnake?

It is owned by the County Highway Agency.