US Bridges

SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr

Good

Bannock County, Idaho · 1.0 W. of I-15 Ic · Structure no. 000000000034520

Built
2016
9 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
423 ft
2 main spans
Daily traffic
5,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr is a steel continuous stringer/multi-beam or girder carrying SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr in Bannock 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 5,200 vehicles a day, roughly 4% of them trucks, projected to reach 7,800 by 2042. The structure is 423 ft (128.9 m) long and 61 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSMA7217;S. Valley
CrossesS 2nd;PORTNEUF R;uprr
Location1.0 W. of I-15 Ic
RouteCity Street 7217
CountyBannock County
StateIdaho
Coordinates42.8292, -112.4122
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment9: Superior to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length423 ft (128.9 m)
Longest span227 ft (69.2 m)
Deck width61 ft (18.5 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2023)
Projected traffic7,800 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr built?

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

What condition is SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr 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 2022.

How much traffic does SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr carry?

About 5,200 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr?

The structure is 423 ft (128.9 m) long with a longest span of 227 ft (69.2 m) and a deck 61 ft wide.

Who owns SMA7217;S. Valley over S 2nd;PORTNEUF R;uprr?

It is owned by the City or Municipal Highway Agency.