US Bridges

SH 14 over S.Fk.Clearwater

Good

Idaho County, Idaho · 8.7 S. JCT SH 13-14 · Structure no. 000000000010565

Built
1985
40 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
1 main span
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

SH 14 over S.Fk.Clearwater is a steel stringer/multi-beam or girder carrying SH 14 over S.Fk.Clearwater in Idaho County, Idaho. It was built in 1985, so it is 40 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 150 vehicles a day, roughly 67% of them trucks, projected to reach 225 by 2042. The structure is 136 ft (41.5 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSH 14
CrossesS.Fk.Clearwater
Location8.7 S. JCT SH 13-14
RouteState Highway 14
StateIdaho
Coordinates45.88836, -116.03483
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating72 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length136 ft (41.5 m)
Longest span132 ft (40.2 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic225 by 2042
Trucks67%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 14 over S.Fk.Clearwater built?

It was built in 1985, making it 40 years old in 2025.

What condition is SH 14 over S.Fk.Clearwater 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 2021.

How much traffic does SH 14 over S.Fk.Clearwater carry?

About 150 vehicles per day (2023 count), of which roughly 67% are trucks.

How long is SH 14 over S.Fk.Clearwater?

The structure is 136 ft (41.5 m) long with a longest span of 132 ft (40.2 m) and a deck 34 ft wide.

Who owns SH 14 over S.Fk.Clearwater?

It is owned by the State Highway Agency.