US Bridges

SMA7190;SUBSTATION over Last Chance Canal

Good

Gem County, Idaho · 0.4 S 1.2 E Emmett · Structure no. 000000000019971

Built
2016
9 years old
Condition
Good
inspected November 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
6,800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

SMA7190;SUBSTATION over Last Chance Canal is a concrete frame carrying SMA7190;SUBSTATION over Last Chance Canal in Gem County, Idaho. It was built in 2016, so it is 9 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 6,800 vehicles a day, roughly 21% of them trucks, projected to reach 10,200 by 2042. The structure is 30 ft (9.1 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSMA7190;SUBSTATION
CrossesLast Chance Canal
Location0.4 S 1.2 E Emmett
RouteCity Street 7190
CountyGem County
StateIdaho
Coordinates43.86992, -116.47281
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating59.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width78 ft (23.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2023)
Projected traffic10,200 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SMA7190;SUBSTATION over Last Chance Canal built?

It was built in 2016, making it 9 years old in 2025.

What condition is SMA7190;SUBSTATION over Last Chance 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 SMA7190;SUBSTATION over Last Chance Canal carry?

About 6,800 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SMA7190;SUBSTATION over Last Chance Canal?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 78 ft wide.

Who owns SMA7190;SUBSTATION over Last Chance Canal?

It is owned by the City or Municipal Highway Agency.