US Bridges

SMA3735;PRPLE Sage over Notus Canal

Fair

Canyon County, Idaho · 0.7 N. 2.9 E. Notus · Structure no. 000000000027160

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
370
2023 count
Owner
Local
Other Local Agency

About this bridge

SMA3735;PRPLE Sage over Notus Canal is a prestressed concrete tee beam carrying SMA3735;PRPLE Sage over Notus Canal in Canyon County, Idaho. It was built in 1965, so it is 60 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 370 vehicles a day, roughly 6% of them trucks, projected to reach 555 by 2042. The structure is 23 ft (7 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesSMA3735;PRPLE Sage
CrossesNotus Canal
Location0.7 N. 2.9 E. Notus
RouteCounty Highway 3735
CountyCanyon County
StateIdaho
Coordinates43.73556, -116.73997
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2023)
Projected traffic555 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$348,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SMA3735;PRPLE Sage over Notus Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is SMA3735;PRPLE Sage over Notus 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 February 2024.

How much traffic does SMA3735;PRPLE Sage over Notus Canal carry?

About 370 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SMA3735;PRPLE Sage over Notus Canal?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns SMA3735;PRPLE Sage over Notus Canal?

It is owned by the Other Local Agency.