US Bridges

Sugar Avenue over W.Br.Snake R.Valley Cnl

Fair

Bingham County, Idaho · At Shelley Scl · Structure no. 000000000022335

Built
1981
44 years old
Condition
Fair
inspected April 2023
Type
Frame
Concrete
Length
42 ft
1 main span
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sugar Avenue over W.Br.Snake R.Valley Cnl is a concrete frame carrying Sugar Avenue over W.Br.Snake R.Valley Cnl in Bingham County, Idaho. It was built in 1981, so it is 44 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.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 750 by 2039. The structure is 42 ft (12.8 m) long and 40 ft wide.

Location

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CarriesSugar Avenue
CrossesW.Br.Snake R.Valley Cnl
LocationAt Shelley Scl
RouteCity Street 0
CountyBingham County
StateIdaho
Coordinates43.37128, -112.11842
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 inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic750 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sugar Avenue over W.Br.Snake R.Valley Cnl built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sugar Avenue over W.Br.Snake R.Valley Cnl 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 April 2023.

How much traffic does Sugar Avenue over W.Br.Snake R.Valley Cnl carry?

About 500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sugar Avenue over W.Br.Snake R.Valley Cnl?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns Sugar Avenue over W.Br.Snake R.Valley Cnl?

It is owned by the City or Municipal Highway Agency.