US Bridges

SH 14 over Leggett Creek

Good

Idaho County, Idaho · 4.8 E. Golden · Structure no. 000000000010578

Built
2018
7 years old
Condition
Good
inspected October 2021
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

SH 14 over Leggett Creek is a steel culvert carrying SH 14 over Leggett Creek in Idaho County, Idaho. It was built in 2018, so it is 7 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 150 vehicles a day, roughly 67% of them trucks, projected to reach 225 by 2042. The structure is 20 ft (6.1 m) long and 108 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSH 14
CrossesLeggett Creek
Location4.8 E. Golden
RouteState Highway 14
StateIdaho
Coordinates45.82706, -115.62742
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating51.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width108 ft (32.9 m)
Roadway width58 ft (17.7 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 Leggett Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is SH 14 over Leggett 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 October 2021.

How much traffic does SH 14 over Leggett Creek carry?

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

How long is SH 14 over Leggett Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 108 ft wide.

Who owns SH 14 over Leggett Creek?

It is owned by the State Highway Agency.