US Bridges

SH 75 over Milner Gooding Canal

Good

Lincoln County, Idaho · 1.4 N. Shoshone · Structure no. 000000000017621

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

SH 75 over Milner Gooding Canal is a prestressed concrete box beam or girders - multiple carrying SH 75 over Milner Gooding Canal in Lincoln County, Idaho. It was built in 2013, so it is 12 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 5,000 vehicles a day, roughly 12% of them trucks, projected to reach 7,500 by 2042. The structure is 34 ft (10.4 m) long and 40 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesSH 75
CrossesMilner Gooding Canal
Location1.4 N. Shoshone
RouteState Highway 75
CountyLincoln County
StateIdaho
Coordinates42.96242, -114.40219
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating43 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic7,500 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 75 over Milner Gooding Canal built?

It was built in 2013, making it 12 years old in 2025.

What condition is SH 75 over Milner Gooding 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 July 2023.

How much traffic does SH 75 over Milner Gooding Canal carry?

About 5,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SH 75 over Milner Gooding Canal?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 40 ft wide.

Who owns SH 75 over Milner Gooding Canal?

It is owned by the State Highway Agency.