US Bridges

Faust Road over Sidehill Canal

Fair

Bonneville County, Idaho · 3.4 S. 5.2 W. Idaho Falls · Structure no. 000000000031190

Built
1956
69 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
106
2023 count
Owner
County
County Highway Agency

About this bridge

Faust Road over Sidehill Canal is a concrete frame carrying Faust Road over Sidehill Canal in Bonneville 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 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 106 vehicles a day, roughly 10% of them trucks, projected to reach 159 by 2039. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFaust Road
CrossesSidehill Canal
Location3.4 S. 5.2 W. Idaho Falls
RouteCounty Highway 0
StateIdaho
Coordinates43.44331, -112.1428
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2023)
Projected traffic159 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Faust Road over Sidehill Canal built?

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

What condition is Faust Road over Sidehill Canal 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 March 2024.

How much traffic does Faust Road over Sidehill Canal carry?

About 106 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Faust Road over Sidehill Canal?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns Faust Road over Sidehill Canal?

It is owned by the County Highway Agency.