US Bridges

STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave Ic

Fair

Shoshone County, Idaho · At Kellogg Wcl · Structure no. 000000000017345

Built
1964
61 years old
Condition
Fair
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
4 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave Ic is a prestressed concrete stringer/multi-beam or girder carrying STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave Ic in Shoshone County, Idaho. It was built in 1964, so it is 61 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 3,600 vehicles a day, roughly 3% of them trucks, projected to reach 5,400 by 2042. The structure is 175 ft (53.3 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSTC5765;BUNKER Ave
CrossesI 90 Eb-Wb;bunker Ave Ic
LocationAt Kellogg Wcl
RouteCity Street 5765
CountyShoshone County
StateIdaho
Coordinates47.54564, -116.13344
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span51 ft (15.6 m)
Deck width51 ft (15.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic5,400 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$3 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave Ic built?

It was built in 1964, making it 61 years old in 2025.

What condition is STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave 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 STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave Ic carry?

About 3,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave Ic?

The structure is 175 ft (53.3 m) long with a longest span of 51 ft (15.6 m) and a deck 51 ft wide.

Who owns STC5765;BUNKER Ave over I 90 Eb-Wb;bunker Ave Ic?

It is owned by the State Highway Agency.