US Bridges

I 84 Ebl & Wbl over Uprr;east Lateral Canal

Good

Canyon County, Idaho · At Nampa Wcl · Structure no. 000000000015581

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
178 ft
1 main span
Daily traffic
104,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Ebl & Wbl over Uprr;east Lateral Canal is a prestressed concrete box beam or girders - multiple carrying I 84 Ebl & Wbl over Uprr;east Lateral Canal 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 104,000 vehicles a day, roughly 14% of them trucks, projected to reach 156,000 by 2042. The structure is 178 ft (54.3 m) long and 228 ft wide.

Location

Open in Google Maps
CarriesI 84 Ebl & Wbl
CrossesUprr;east Lateral Canal
LocationAt Nampa Wcl
RouteInterstate 84
CountyCanyon County
StateIdaho
Coordinates43.6002, -116.56816
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating40.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length178 ft (54.3 m)
Longest span178 ft (54.3 m)
Deck width228 ft (69.5 m)
Roadway width222 ft (67.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104,000 (2023)
Projected traffic156,000 by 2042
Trucks14%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed—
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 & Wbl over Uprr;east Lateral Canal built?

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

What condition is I 84 Ebl & Wbl over Uprr;east Lateral 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 April 2023.

How much traffic does I 84 Ebl & Wbl over Uprr;east Lateral Canal carry?

About 104,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I 84 Ebl & Wbl over Uprr;east Lateral Canal?

The structure is 178 ft (54.3 m) long with a longest span of 178 ft (54.3 m) and a deck 228 ft wide.

Who owns I 84 Ebl & Wbl over Uprr;east Lateral Canal?

It is owned by the State Highway Agency.