US Bridges

Stc 4715;CLEAR Crk over Clear Creek

Good

Idaho County, Idaho · 0.7 S. 1.3 E. Kooskia · Structure no. 000000000029186

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
850
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 4715;CLEAR Crk over Clear Creek is a prestressed concrete tee beam carrying Stc 4715;CLEAR Crk over Clear Creek in Idaho County, Idaho. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, roughly 2% of them trucks, projected to reach 1,275 by 2042. The structure is 84 ft (25.6 m) long and 42 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesStc 4715;CLEAR Crk
CrossesClear Creek
Location0.7 S. 1.3 E. Kooskia
RouteCounty Highway 4715
StateIdaho
Coordinates46.13211, -115.94962
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic1,275 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 4715;CLEAR Crk over Clear Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Stc 4715;CLEAR Crk over Clear Creek 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 June 2024.

How much traffic does Stc 4715;CLEAR Crk over Clear Creek carry?

About 850 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Stc 4715;CLEAR Crk over Clear Creek?

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns Stc 4715;CLEAR Crk over Clear Creek?

It is owned by the County Highway Agency.