US Bridges

Stc 3988;ROSEBERRY over Willow Creek

Poor

Valley County, Idaho · 1.5 E. Donnelly · Structure no. 000000000020068

Built
1996
29 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
30 ft
4 main spans
Daily traffic
370
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3988;ROSEBERRY over Willow Creek is a steel culvert carrying Stc 3988;ROSEBERRY 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 370 vehicles a day, roughly 9% of them trucks, projected to reach 555 by 2042. The structure is 30 ft (9.1 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesStc 3988;ROSEBERRY
CrossesWillow Creek
Location1.5 E. Donnelly
RouteCounty Highway 3988
CountyValley County
StateIdaho
Coordinates44.73106, -116.04889
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 geometry6: Equal to present minimum 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 spans4
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span6 ft (1.8 m)
Deck width61 ft (18.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2023)
Projected traffic555 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$329,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 3988;ROSEBERRY over Willow Creek built?

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

What condition is Stc 3988;ROSEBERRY 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 Stc 3988;ROSEBERRY over Willow Creek carry?

About 370 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Stc 3988;ROSEBERRY over Willow Creek?

The structure is 30 ft (9.1 m) long with a longest span of 6 ft (1.8 m) and a deck 61 ft wide.

Who owns Stc 3988;ROSEBERRY over Willow Creek?

It is owned by the County Highway Agency.