US Bridges

I 84 Ebl over Notus Canal

Good

Canyon County, Idaho · 1.0 W. Caldwell · Structure no. 000000000015465

Built
1964
61 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
22,750
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Ebl over Notus Canal is a concrete culvert carrying I 84 Ebl over Notus Canal in Canyon 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 22,750 vehicles a day, roughly 20% of them trucks, projected to reach 34,125 by 2042. The structure is 23 ft (7 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 84 Ebl
CrossesNotus Canal
Location1.0 W. Caldwell
RouteInterstate 84
StateIdaho
Coordinates43.7028, -116.69941
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width61 ft (18.7 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,750 (2023)
Projected traffic34,125 by 2042
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 84 Ebl over Notus Canal built?

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

What condition is I 84 Ebl over Notus Canal 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 November 2022.

How much traffic does I 84 Ebl over Notus Canal carry?

About 22,750 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I 84 Ebl over Notus Canal?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 61 ft wide.

Who owns I 84 Ebl over Notus Canal?

It is owned by the State Highway Agency.