US Bridges

Elk Creek Road over Elk Creek

GoodPosted for load

Idaho County, Idaho · 14.2 S. Riggins · Structure no. 000000000029135

Built
1965
60 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Elk Creek Road over Elk Creek is a wood or timber stringer/multi-beam or girder carrying Elk Creek Road over Elk Creek in Idaho County, Idaho. It was built in 1965, so it is 60 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2039. The structure is 39 ft (11.9 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesElk Creek Road
CrossesElk Creek
Location14.2 S. Riggins
RouteCounty Highway 0
StateIdaho
Coordinates45.21744, -116.31275
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length39 ft (11.9 m)
Longest span35 ft (10.7 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$409,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elk Creek Road over Elk Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Elk Creek Road over 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 September 2024.

How much traffic does Elk Creek Road over Elk Creek carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Elk Creek Road over Elk Creek?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 15 ft wide.

Who owns Elk Creek Road over Elk Creek?

It is owned by the County Highway Agency.