US Bridges

Canyon Creek Road over I 84;CANYON Creek RD Gs

Fair

Elmore County, Idaho · 2.8 W. Mountain Home · Structure no. 000000000027885

Built
1971
54 years old
Condition
Fair
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
269 ft
2 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

Canyon Creek Road over I 84;CANYON Creek RD Gs is a steel continuous stringer/multi-beam or girder carrying Canyon Creek Road over I 84;CANYON Creek RD Gs in Elmore County, Idaho. It was built in 1971, so it is 54 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 1,600 vehicles a day, roughly 14% of them trucks, projected to reach 2,400 by 2042. The structure is 269 ft (82 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesCanyon Creek Road
CrossesI 84;CANYON Creek RD Gs
Location2.8 W. Mountain Home
RouteCounty Highway 0
CountyElmore County
StateIdaho
Coordinates43.16398, -115.70736
Functional classUrban Minor Arterial

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 inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length269 ft (82 m)
Longest span106 ft (32.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,400 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Canyon Creek Road over I 84;CANYON Creek RD Gs built?

It was built in 1971, making it 54 years old in 2025.

What condition is Canyon Creek Road over I 84;CANYON Creek RD Gs 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 2022.

How much traffic does Canyon Creek Road over I 84;CANYON Creek RD Gs carry?

About 1,600 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Canyon Creek Road over I 84;CANYON Creek RD Gs?

The structure is 269 ft (82 m) long with a longest span of 106 ft (32.2 m) and a deck 33 ft wide.

Who owns Canyon Creek Road over I 84;CANYON Creek RD Gs?

It is owned by the State Highway Agency.