US Bridges

Elk Summit RD over Lower Elk Creek

Good

Valley County, Idaho · 13.1 N 4.5 W Yellow Pine · Structure no. 000000000033610

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

Elk Summit RD over Lower Elk Creek is a steel stringer/multi-beam or girder carrying Elk Summit RD over Lower Elk Creek in Valley County, Idaho. It was built in 2003, so it is 22 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 15 vehicles a day, projected to reach 23 by 2039. The structure is 74 ft (22.6 m) long and 19 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesElk Summit RD
CrossesLower Elk Creek
Location13.1 N 4.5 W Yellow Pine
RouteCounty Highway 0
StateIdaho
Coordinates45.15289, -115.58414
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic23 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$686,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Elk Summit RD over Lower Elk Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Elk Summit RD over Lower Elk 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 August 2024.

How much traffic does Elk Summit RD over Lower Elk Creek carry?

About 15 vehicles per day (2023 count).

How long is Elk Summit RD over Lower Elk Creek?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 19 ft wide.

Who owns Elk Summit RD over Lower Elk Creek?

It is owned by the County Highway Agency.