US Bridges

S3944;FARM to Mrkt over Willow Creek

Poor

Valley County, Idaho · 0.5 N. 1.5 E. Donnelly · Structure no. 000000000028561

Built
1996
29 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
24 ft
3 main spans
Daily traffic
490
2023 count
Owner
County
County Highway Agency

About this bridge

S3944;FARM to Mrkt over Willow Creek is a steel culvert carrying S3944;FARM to Mrkt over Willow Creek in Valley County, Idaho. It was built in 1996, so it is 29 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 490 vehicles a day, roughly 7% of them trucks, projected to reach 735 by 2042. The structure is 24 ft (7.3 m) long and 62 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS3944;FARM to Mrkt
CrossesWillow Creek
Location0.5 N. 1.5 E. Donnelly
RouteCounty Highway 3944
CountyValley County
StateIdaho
Coordinates44.73564, -116.04764
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width62 ft (18.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2023)
Projected traffic735 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S3944;FARM to Mrkt over Willow Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is S3944;FARM to Mrkt over Willow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does S3944;FARM to Mrkt over Willow Creek carry?

About 490 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S3944;FARM to Mrkt over Willow Creek?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m) and a deck 62 ft wide.

Who owns S3944;FARM to Mrkt over Willow Creek?

It is owned by the County Highway Agency.