US Bridges

I 84 Wbl over US 93;W.TWIN Falls Ic

Fair

Jerome County, Idaho · 3.6 N. Twin Falls · Structure no. 000000000016186

Built
2003
22 years old
Condition
Fair
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
161 ft
2 main spans
Daily traffic
14,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Wbl over US 93;W.TWIN Falls Ic is a prestressed concrete stringer/multi-beam or girder carrying I 84 Wbl over US 93;W.TWIN Falls Ic in Jerome County, Idaho. It was built in 2003, so it is 22 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,500 vehicles a day, roughly 29% of them trucks, projected to reach 21,750 by 2042. The structure is 161 ft (49.1 m) long and 73 ft wide.

Location

Open in Google Maps
CarriesI 84 Wbl
CrossesUS 93;W.TWIN Falls Ic
Location3.6 N. Twin Falls
RouteInterstate 84
CountyJerome County
StateIdaho
Coordinates42.64237, -114.4454
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2021
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 rating78 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length161 ft (49.1 m)
Longest span78 ft (23.8 m)
Deck width73 ft (22.2 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic21,750 by 2042
Trucks29%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 84 Wbl over US 93;W.TWIN Falls Ic built?

It was built in 2003, making it 22 years old in 2025.

What condition is I 84 Wbl over US 93;W.TWIN Falls Ic in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2021.

How much traffic does I 84 Wbl over US 93;W.TWIN Falls Ic carry?

About 14,500 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is I 84 Wbl over US 93;W.TWIN Falls Ic?

The structure is 161 ft (49.1 m) long with a longest span of 78 ft (23.8 m) and a deck 73 ft wide.

Who owns I 84 Wbl over US 93;W.TWIN Falls Ic?

It is owned by the State Highway Agency.