US Bridges

SH 25 over A Canal

Good

Minidoka County, Idaho · 1.3 E. Rupert · Structure no. 000000000013076

Built
2000
25 years old
Condition
Good
inspected March 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
3,900
2023 count
Owner
State
State Highway Agency

About this bridge

SH 25 over A Canal is a prestressed concrete box beam or girders - multiple carrying SH 25 over A Canal in Minidoka County, Idaho. It was built in 2000, so it is 25 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 3,900 vehicles a day, roughly 11% of them trucks, projected to reach 5,850 by 2042. The structure is 59 ft (18 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 25
CrossesA Canal
Location1.3 E. Rupert
RouteState Highway 25
StateIdaho
Coordinates42.61961, -113.65319
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length59 ft (18 m)
Longest span57 ft (17.4 m)
Deck width67 ft (20.5 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic5,850 by 2042
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 25 over A Canal built?

It was built in 2000, making it 25 years old in 2025.

What condition is SH 25 over A 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 March 2022.

How much traffic does SH 25 over A Canal carry?

About 3,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SH 25 over A Canal?

The structure is 59 ft (18 m) long with a longest span of 57 ft (17.4 m) and a deck 67 ft wide.

Who owns SH 25 over A Canal?

It is owned by the State Highway Agency.