US Bridges

Gold Fork Road over Kennally Creek

FairPosted for load

Valley County, Idaho · 3.0 S. 5.3 E. Donnelly · Structure no. 000000000028671

Built
1990
35 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Wood or Timber
Length
67 ft
2 main spans
Daily traffic
80
2023 count
Owner
County
County Highway Agency

About this bridge

Gold Fork Road over Kennally Creek is a wood or timber tee beam carrying Gold Fork Road over Kennally Creek in Valley County, Idaho. It was built in 1990, so it is 35 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2039. The structure is 67 ft (20.4 m) long and 17 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesGold Fork Road
CrossesKennally Creek
Location3.0 S. 5.3 E. Donnelly
RouteCounty Highway 0
StateIdaho
Coordinates44.68744, -115.97092
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating17 US tons

Structure

Structure typeTee Beam
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span32 ft (9.8 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic120 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$630,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gold Fork Road over Kennally Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Gold Fork Road over Kennally 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 August 2023.

How much traffic does Gold Fork Road over Kennally Creek carry?

About 80 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Gold Fork Road over Kennally Creek?

The structure is 67 ft (20.4 m) long with a longest span of 32 ft (9.8 m) and a deck 17 ft wide.

Who owns Gold Fork Road over Kennally Creek?

It is owned by the County Highway Agency.