US Bridges

STC5758;6th Street over S.Fk. Cda RIVER;6th St.

Good

Shoshone County, Idaho · In Wallace · Structure no. 000000000020576

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
1,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

STC5758;6th Street over S.Fk. Cda RIVER;6th St. is a prestressed concrete box beam or girders - multiple carrying STC5758;6th Street over S.Fk. Cda RIVER;6th St. in Shoshone County, Idaho. It was built in 2024, so it is 1 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,500 vehicles a day, roughly 11% of them trucks, projected to reach 2,250 by 2042. The structure is 49 ft (14.8 m) long and 47 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesSTC5758;6th Street
CrossesS.Fk. Cda RIVER;6th St.
LocationIn Wallace
RouteCounty Highway 5758
StateIdaho
Coordinates47.47367, -115.92397
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length49 ft (14.8 m)
Longest span45 ft (13.7 m)
Deck width47 ft (14.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic2,250 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.2 mi (39 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 STC5758;6th Street over S.Fk. Cda RIVER;6th St. built?

It was built in 2024, making it 1 years old in 2025.

What condition is STC5758;6th Street over S.Fk. Cda RIVER;6th St. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does STC5758;6th Street over S.Fk. Cda RIVER;6th St. carry?

About 1,500 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is STC5758;6th Street over S.Fk. Cda RIVER;6th St.?

The structure is 49 ft (14.8 m) long with a longest span of 45 ft (13.7 m) and a deck 47 ft wide.

Who owns STC5758;6th Street over S.Fk. Cda RIVER;6th St.?

It is owned by the City or Municipal Highway Agency.