US Bridges

SH 39 over Peoples Canal

Good

Bingham County, Idaho · 8.0 W. Blackfoot · Structure no. 000000000014206

Built
2018
7 years old
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

SH 39 over Peoples Canal is a prestressed concrete slab carrying SH 39 over Peoples Canal in Bingham County, Idaho. It was built in 2018, so it is 7 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 3,600 vehicles a day, roughly 15% of them trucks, projected to reach 5,400 by 2042. The structure is 41 ft (12.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 39
CrossesPeoples Canal
Location8.0 W. Blackfoot
RouteState Highway 39
StateIdaho
Coordinates43.19711, -112.51539
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
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 alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic5,400 by 2042
Trucks15%
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

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 39 over Peoples Canal built?

It was built in 2018, making it 7 years old in 2025.

What condition is SH 39 over Peoples 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 April 2024.

How much traffic does SH 39 over Peoples Canal carry?

About 3,600 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SH 39 over Peoples Canal?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 40 ft wide.

Who owns SH 39 over Peoples Canal?

It is owned by the State Highway Agency.