US Bridges

Elk Creek Road over Moon Gulch;ne.Kellogg Br

FairPosted for load

Shoshone County, Idaho · 0.1 N. 3.0 E. Kellogg · Structure no. 000000000030760

Built
1919
106 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Elk Creek Road over Moon Gulch;ne.Kellogg Br is a concrete tee beam carrying Elk Creek Road over Moon Gulch;ne.Kellogg Br in Shoshone County, Idaho. It was built in 1919, so it is 106 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2039. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesElk Creek Road
CrossesMoon Gulch;ne.Kellogg Br
Location0.1 N. 3.0 E. Kellogg
RouteCounty Highway 0
CountyShoshone County
StateIdaho
Coordinates47.53344, -116.05917
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating12 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$582,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elk Creek Road over Moon Gulch;ne.Kellogg Br built?

It was built in 1919, making it 106 years old in 2025.

What condition is Elk Creek Road over Moon Gulch;ne.Kellogg Br 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 Elk Creek Road over Moon Gulch;ne.Kellogg Br carry?

About 50 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Elk Creek Road over Moon Gulch;ne.Kellogg Br?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns Elk Creek Road over Moon Gulch;ne.Kellogg Br?

It is owned by the County Highway Agency.