US Bridges

Stc 5757;HILL ST over S.Fk.Coeur Dalene River

Fair

Shoshone County, Idaho · In Kellogg;hill ST · Structure no. 000000000030725

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
5,600
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stc 5757;HILL ST over S.Fk.Coeur Dalene River is a prestressed concrete tee beam carrying Stc 5757;HILL ST over S.Fk.Coeur Dalene River in Shoshone County, Idaho. It was built in 1976, so it is 49 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 5,600 vehicles a day, projected to reach 8,400 by 2042. The structure is 120 ft (36.6 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStc 5757;HILL ST
CrossesS.Fk.Coeur Dalene River
LocationIn Kellogg;hill ST
RouteCity Street 5757
CountyShoshone County
StateIdaho
Coordinates47.53916, -116.12476
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span59 ft (18 m)
Deck width55 ft (16.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic8,400 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 5757;HILL ST over S.Fk.Coeur Dalene River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Stc 5757;HILL ST over S.Fk.Coeur Dalene River 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 October 2024.

How much traffic does Stc 5757;HILL ST over S.Fk.Coeur Dalene River carry?

About 5,600 vehicles per day (2023 count).

How long is Stc 5757;HILL ST over S.Fk.Coeur Dalene River?

The structure is 120 ft (36.6 m) long with a longest span of 59 ft (18 m) and a deck 55 ft wide.

Who owns Stc 5757;HILL ST over S.Fk.Coeur Dalene River?

It is owned by the City or Municipal Highway Agency.