US Bridges

I 84 Ebl Wbl over Northside Blvd Ic

Good

Canyon County, Idaho · In Nampa · Structure no. 000000000015571

Built
2021
4 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
1 main span
Daily traffic
84,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Ebl Wbl over Northside Blvd Ic is a steel stringer/multi-beam or girder carrying I 84 Ebl Wbl over Northside Blvd Ic in Canyon County, Idaho. It was built in 2021, so it is 4 years old, younger 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 84,500 vehicles a day, roughly 19% of them trucks, projected to reach 126,750 by 2042. The structure is 220 ft (67.1 m) long and 127 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 84 Ebl Wbl
CrossesNorthside Blvd Ic
LocationIn Nampa
RouteInterstate 84
CountyCanyon County
StateIdaho
Coordinates43.60067, -116.57361
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length220 ft (67.1 m)
Longest span220 ft (67.1 m)
Deck width127 ft (38.7 m)
Roadway width122 ft (37.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,500 (2023)
Projected traffic126,750 by 2042
Trucks19%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 84 Ebl Wbl over Northside Blvd Ic built?

It was built in 2021, making it 4 years old in 2025.

What condition is I 84 Ebl Wbl over Northside Blvd Ic 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 May 2023.

How much traffic does I 84 Ebl Wbl over Northside Blvd Ic carry?

About 84,500 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 84 Ebl Wbl over Northside Blvd Ic?

The structure is 220 ft (67.1 m) long with a longest span of 220 ft (67.1 m) and a deck 127 ft wide.

Who owns I 84 Ebl Wbl over Northside Blvd Ic?

It is owned by the State Highway Agency.