US Bridges

I 84 Wbl over Malad R.Gorge;n.Tuttle

Fair

Gooding County, Idaho · 5.6 E. Bliss · Structure no. 000000000016050

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Girder and Floorbeam System
Steel
Length
228 ft
1 main span
Daily traffic
9,250
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Wbl over Malad R.Gorge;n.Tuttle is a steel girder and floorbeam system carrying I 84 Wbl over Malad R.Gorge;n.Tuttle in Gooding County, Idaho. It was built in 1975, so it is 50 years old, older 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 9,250 vehicles a day, roughly 29% of them trucks, projected to reach 13,875 by 2042. The structure is 228 ft (69.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 84 Wbl
CrossesMalad R.Gorge;n.Tuttle
Location5.6 E. Bliss
RouteInterstate 84
CountyGooding County
StateIdaho
Coordinates42.86757, -114.85294
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span220 ft (67.1 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,250 (2023)
Projected traffic13,875 by 2042
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 84 Wbl over Malad R.Gorge;n.Tuttle built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 84 Wbl over Malad R.Gorge;n.Tuttle 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 May 2024.

How much traffic does I 84 Wbl over Malad R.Gorge;n.Tuttle carry?

About 9,250 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is I 84 Wbl over Malad R.Gorge;n.Tuttle?

The structure is 228 ft (69.5 m) long with a longest span of 220 ft (67.1 m) and a deck 44 ft wide.

Who owns I 84 Wbl over Malad R.Gorge;n.Tuttle?

It is owned by the State Highway Agency.