US Bridges

Sma 7841;A Street over B Canal

Good

Minidoka County, Idaho · In Rupert · Structure no. 000000000019621

Built
2014
11 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
3,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sma 7841;A Street over B Canal is a concrete culvert carrying Sma 7841;A Street over B Canal in Minidoka County, Idaho. It was built in 2014, so it is 11 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 4,800 by 2042. The structure is 41 ft (12.5 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSma 7841;A Street
CrossesB Canal
LocationIn Rupert
RouteCity Street 7841
StateIdaho
Coordinates42.62339, -113.66797
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width70 ft (21.3 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,800 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 Sma 7841;A Street over B Canal built?

It was built in 2014, making it 11 years old in 2025.

What condition is Sma 7841;A Street over B Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Sma 7841;A Street over B Canal carry?

About 3,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sma 7841;A Street over B Canal?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 70 ft wide.

Who owns Sma 7841;A Street over B Canal?

It is owned by the City or Municipal Highway Agency.