US Bridges

I 84 Ebl over Uprr; Gowen Spur

Good

Ada County, Idaho · Boise Scl · Structure no. 000000000015751

Built
2015
10 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
26,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Ebl over Uprr; Gowen Spur is a prestressed concrete stringer/multi-beam or girder carrying I 84 Ebl over Uprr; Gowen Spur in Ada County, Idaho. It was built in 2015, so it is 10 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26,000 vehicles a day, roughly 19% of them trucks, projected to reach 39,000 by 2042. The structure is 118 ft (36 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 84 Ebl
CrossesUprr; Gowen Spur
LocationBoise Scl
RouteInterstate 84
StateIdaho
Coordinates43.56364, -116.19106
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length118 ft (36 m)
Longest span113 ft (34.4 m)
Deck width73 ft (22.3 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2023)
Projected traffic39,000 by 2042
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 over Uprr; Gowen Spur built?

It was built in 2015, making it 10 years old in 2025.

What condition is I 84 Ebl over Uprr; Gowen Spur 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 January 2023.

How much traffic does I 84 Ebl over Uprr; Gowen Spur carry?

About 26,000 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 84 Ebl over Uprr; Gowen Spur?

The structure is 118 ft (36 m) long with a longest span of 113 ft (34.4 m) and a deck 73 ft wide.

Who owns I 84 Ebl over Uprr; Gowen Spur?

It is owned by the State Highway Agency.