US Bridges

Canyon Road over W. Branch Sand Creek

Fair

Bonneville County, Idaho · 4.0 S. 0.3 E. Idaho Falls · Structure no. 000000000031195

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
480
2023 count
Owner
County
County Highway Agency

About this bridge

Canyon Road over W. Branch Sand Creek is a prestressed concrete tee beam carrying Canyon Road over W. Branch Sand Creek in Bonneville County, Idaho. It was built in 1973, so it is 52 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 480 vehicles a day, roughly 12% of them trucks, projected to reach 720 by 2042. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCanyon Road
CrossesW. Branch Sand Creek
Location4.0 S. 0.3 E. Idaho Falls
RouteCounty Highway 0
CountyBonneville County
StateIdaho
Coordinates43.41011, -112.04183
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating43.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2023)
Projected traffic720 by 2042
Trucks12%
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 Canyon Road over W. Branch Sand Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Canyon Road over W. Branch Sand 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 April 2024.

How much traffic does Canyon Road over W. Branch Sand Creek carry?

About 480 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Canyon Road over W. Branch Sand Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns Canyon Road over W. Branch Sand Creek?

It is owned by the County Highway Agency.