US Bridges

Sucker Creek Road over Big Willow Creek

FairPosted for load

Payette County, Idaho · 5.5N 12.8E New Plymouth · Structure no. 000000000028425

Built
1954
71 years old, rebuilt 1995
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
2 main spans
Daily traffic
5
2023 count
Owner
County
County Highway Agency

About this bridge

Sucker Creek Road over Big Willow Creek is a steel stringer/multi-beam or girder carrying Sucker Creek Road over Big Willow Creek in Payette County, Idaho. It was built in 1954 and reconstructed in 1995, so it is 71 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 8 by 2039. The structure is 66 ft (20.1 m) long and 18 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSucker Creek Road
CrossesBig Willow Creek
Location5.5N 12.8E New Plymouth
RouteCounty Highway 0
StateIdaho
Coordinates44.05283, -116.56286
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating31 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadH 20
Structure length66 ft (20.1 m)
Longest span32 ft (9.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic8 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$659,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sucker Creek Road over Big Willow Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1995.

What condition is Sucker Creek Road over Big Willow 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 Sucker Creek Road over Big Willow Creek carry?

About 5 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sucker Creek Road over Big Willow Creek?

The structure is 66 ft (20.1 m) long with a longest span of 32 ft (9.8 m) and a deck 18 ft wide.

Who owns Sucker Creek Road over Big Willow Creek?

It is owned by the County Highway Agency.