US Bridges

200 S 275 W over B-4 Canal

Good

Minidoka County, Idaho · 2.0 S. 2.7 W. Rupert · Structure no. 000000000025156

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
200
2023 count
Owner
Local
Other Local Agency

About this bridge

200 S 275 W over B-4 Canal is a steel stringer/multi-beam or girder carrying 200 S 275 W over B-4 Canal in Minidoka County, Idaho. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2042. The structure is 56 ft (17.2 m) long and 36 ft wide.

Carries200 S 275 W
CrossesB-4 Canal
Location2.0 S. 2.7 W. Rupert
RouteCounty Highway 0
StateIdaho
Coordinates42.59058, -113.71925
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length56 ft (17.2 m)
Longest span55 ft (16.9 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 200 S 275 W over B-4 Canal built?

It was built in 2023, making it 2 years old in 2025.

What condition is 200 S 275 W over B-4 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 November 2023.

How much traffic does 200 S 275 W over B-4 Canal carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 200 S 275 W over B-4 Canal?

The structure is 56 ft (17.2 m) long with a longest span of 55 ft (16.9 m) and a deck 36 ft wide.

Who owns 200 S 275 W over B-4 Canal?

It is owned by the Other Local Agency.