US Bridges

I 15 Nbl over I 15B;POCATELLO Creek Ic

Fair

Bannock County, Idaho · In Pocatello · Structure no. 000000000011271

Built
1999
26 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
148 ft
2 main spans
Daily traffic
19,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 15 Nbl over I 15B;POCATELLO Creek Ic is a steel continuous stringer/multi-beam or girder carrying I 15 Nbl over I 15B;POCATELLO Creek Ic in Bannock County, Idaho. It was built in 1999, so it is 26 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 19,000 vehicles a day, roughly 11% of them trucks, projected to reach 28,500 by 2042. The structure is 148 ft (45.1 m) long and 61 ft wide.

Location

Open in Google Maps
CarriesI 15 Nbl
CrossesI 15B;POCATELLO Creek Ic
LocationIn Pocatello
RouteInterstate 15
CountyBannock County
StateIdaho
Coordinates42.89725, -112.43523
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2022
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 rating110.1 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length148 ft (45.1 m)
Longest span73 ft (22.3 m)
Deck width61 ft (18.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic28,500 by 2042
Trucks11%
Lanes on structure2
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 15 Nbl over I 15B;POCATELLO Creek Ic built?

It was built in 1999, making it 26 years old in 2025.

What condition is I 15 Nbl over I 15B;POCATELLO Creek 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 November 2022.

How much traffic does I 15 Nbl over I 15B;POCATELLO Creek Ic carry?

About 19,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I 15 Nbl over I 15B;POCATELLO Creek Ic?

The structure is 148 ft (45.1 m) long with a longest span of 73 ft (22.3 m) and a deck 61 ft wide.

Who owns I 15 Nbl over I 15B;POCATELLO Creek Ic?

It is owned by the State Highway Agency.