US Bridges

I 84 Wbl over Whitley Road Gs

Good

Payette County, Idaho · 2.0 E. Oregon-Idaho Line · Structure no. 000000000015335

Built
1960
65 years old
Condition
Good
inspected April 2023
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
13,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Wbl over Whitley Road Gs is a concrete frame carrying I 84 Wbl over Whitley Road Gs in Payette County, Idaho. It was built in 1960, so it is 65 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 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 13,000 vehicles a day, roughly 22% of them trucks, projected to reach 19,500 by 2042. The structure is 26 ft (7.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 84 Wbl
CrossesWhitley Road Gs
Location2.0 E. Oregon-Idaho Line
RouteInterstate 84
CountyPayette County
StateIdaho
Coordinates43.97929, -116.92321
Functional classRural 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic19,500 by 2042
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 Wbl over Whitley Road Gs built?

It was built in 1960, making it 65 years old in 2025.

What condition is I 84 Wbl over Whitley Road Gs 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 Wbl over Whitley Road Gs carry?

About 13,000 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I 84 Wbl over Whitley Road Gs?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 48 ft wide.

Who owns I 84 Wbl over Whitley Road Gs?

It is owned by the State Highway Agency.