US Bridges

I 90RAMP EB Off over Pine Creek;eb Off Ramp

Fair

Shoshone County, Idaho · 5.1 W. Kellogg · Structure no. 000000000017405

Built
1977
48 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
124 ft
2 main spans
Daily traffic
630
2023 count
Owner
State
State Highway Agency

About this bridge

I 90RAMP EB Off over Pine Creek;eb Off Ramp is a prestressed concrete box beam or girders - multiple carrying I 90RAMP EB Off over Pine Creek;eb Off Ramp in Shoshone County, Idaho. It was built in 1977, so it is 48 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 5 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 630 vehicles a day, projected to reach 945 by 2042. The structure is 124 ft (37.8 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 90RAMP EB Off
CrossesPine Creek;eb Off Ramp
Location5.1 W. Kellogg
RouteInterstate 90
CountyShoshone County
StateIdaho
Coordinates47.54481, -116.22861
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating24 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span62 ft (18.9 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2023)
Projected traffic945 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90RAMP EB Off over Pine Creek;eb Off Ramp built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 90RAMP EB Off over Pine Creek;eb Off Ramp 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 June 2023.

How much traffic does I 90RAMP EB Off over Pine Creek;eb Off Ramp carry?

About 630 vehicles per day (2023 count).

How long is I 90RAMP EB Off over Pine Creek;eb Off Ramp?

The structure is 124 ft (37.8 m) long with a longest span of 62 ft (18.9 m) and a deck 28 ft wide.

Who owns I 90RAMP EB Off over Pine Creek;eb Off Ramp?

It is owned by the State Highway Agency.