US Bridges

SH 58 over US 95 Ic

Good

Kootenai County, Idaho · 3.5 N. Worley · Structure no. 000000000014903

Built
2008
17 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
544 ft
6 main spans
Daily traffic
3,400
2023 count
Owner
State
State Highway Agency

About this bridge

SH 58 over US 95 Ic is a prestressed concrete stringer/multi-beam or girder carrying SH 58 over US 95 Ic in Kootenai County, Idaho. It was built in 2008, so it is 17 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,400 vehicles a day, roughly 3% of them trucks, projected to reach 5,100 by 2042. The structure is 544 ft (165.8 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 58
CrossesUS 95 Ic
Location3.5 N. Worley
RouteState Highway 58
StateIdaho
Coordinates47.42375, -116.98756
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length544 ft (165.8 m)
Longest span88 ft (26.8 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2023)
Projected traffic5,100 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 58 over US 95 Ic built?

It was built in 2008, making it 17 years old in 2025.

What condition is SH 58 over US 95 Ic 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 October 2022.

How much traffic does SH 58 over US 95 Ic carry?

About 3,400 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 58 over US 95 Ic?

The structure is 544 ft (165.8 m) long with a longest span of 88 ft (26.8 m) and a deck 55 ft wide.

Who owns SH 58 over US 95 Ic?

It is owned by the State Highway Agency.