US Bridges

Bunker Ave over S.Fk.Coeur Dalene River

Poor

Shoshone County, Idaho · In Kellogg;bunker Ave · Structure no. 000000000030765

Built
1971
54 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
168 ft
3 main spans
Daily traffic
1,900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bunker Ave over S.Fk.Coeur Dalene River is a prestressed concrete channel beam carrying Bunker Ave over S.Fk.Coeur Dalene River in Shoshone County, Idaho. It was built in 1971, so it is 54 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,900 vehicles a day, projected to reach 2,850 by 2042. The structure is 168 ft (51.2 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBunker Ave
CrossesS.Fk.Coeur Dalene River
LocationIn Kellogg;bunker Ave
RouteCity Street 0
StateIdaho
Coordinates47.54503, -116.13436
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span89 ft (27.1 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,850 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bunker Ave over S.Fk.Coeur Dalene River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Bunker Ave over S.Fk.Coeur Dalene River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Bunker Ave over S.Fk.Coeur Dalene River carry?

About 1,900 vehicles per day (2023 count).

How long is Bunker Ave over S.Fk.Coeur Dalene River?

The structure is 168 ft (51.2 m) long with a longest span of 89 ft (27.1 m) and a deck 37 ft wide.

Who owns Bunker Ave over S.Fk.Coeur Dalene River?

It is owned by the City or Municipal Highway Agency.