US Bridges

Onaway Road over Gold Creek

Fair

Latah County, Idaho · 1.1 E. Onaway · Structure no. 000000000029690

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
40
2023 count
Owner
Local
Other Local Agency

About this bridge

Onaway Road over Gold Creek is a steel culvert carrying Onaway Road over Gold Creek in Latah County, Idaho. It was built in 1975, so it is 50 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.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2039. The structure is 22 ft (6.7 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesOnaway Road
CrossesGold Creek
Location1.1 E. Onaway
RouteCounty Highway 0
CountyLatah County
StateIdaho
Coordinates46.9289, -116.86759
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum 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 length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width41 ft (12.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic60 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Onaway Road over Gold Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Onaway Road over Gold 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 June 2024.

How much traffic does Onaway Road over Gold Creek carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Onaway Road over Gold Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 41 ft wide.

Who owns Onaway Road over Gold Creek?

It is owned by the Other Local Agency.