US Bridges

I 84 on Ramp over Indian Creek

Fair

Canyon County, Idaho · In Nampa · Structure no. 000000000014727

Built
2006
19 years old
Condition
Fair
inspected February 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
319 ft
3 main spans
Daily traffic
15,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 on Ramp over Indian Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I 84 on Ramp over Indian Creek in Canyon County, Idaho. It was built in 2006, so it is 19 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 15,500 vehicles a day, projected to reach 23,250 by 2042. The structure is 319 ft (97.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 84 on Ramp
CrossesIndian Creek
LocationIn Nampa
RouteInterstate 84
CountyCanyon County
StateIdaho
Coordinates43.60822, -116.59861
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length319 ft (97.2 m)
Longest span112 ft (34.1 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic23,250 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 84 on Ramp over Indian Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is I 84 on Ramp over Indian Creek 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 February 2021.

How much traffic does I 84 on Ramp over Indian Creek carry?

About 15,500 vehicles per day (2023 count).

How long is I 84 on Ramp over Indian Creek?

The structure is 319 ft (97.2 m) long with a longest span of 112 ft (34.1 m) and a deck 31 ft wide.

Who owns I 84 on Ramp over Indian Creek?

It is owned by the State Highway Agency.