US Bridges

SH 14 over Elk Creek

Fair

Idaho County, Idaho · 0.2 W. Elk City · Structure no. 000000000010585

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

SH 14 over Elk Creek is a steel culvert carrying SH 14 over Elk Creek in Idaho County, Idaho. It was built in 1983, so it is 42 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 150 vehicles a day, roughly 67% of them trucks, projected to reach 225 by 2042. The structure is 24 ft (7.3 m) long and 75 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSH 14
CrossesElk Creek
Location0.2 W. Elk City
RouteState Highway 14
CountyIdaho County
StateIdaho
Coordinates45.82367, -115.44689
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width75 ft (22.9 m)
Roadway width28 ft (8.5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$512,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 14 over Elk Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is SH 14 over Elk Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does SH 14 over Elk Creek carry?

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

How long is SH 14 over Elk Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 75 ft wide.

Who owns SH 14 over Elk Creek?

It is owned by the State Highway Agency.