US Bridges

1420 North Road over East Main Canal

Good

Lincoln County, Idaho · 6.5 N 2.5 W Richfield · Structure no. 000000000025101

Built
2013
12 years old
Condition
Good
inspected March 2021
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
230
2023 count
Owner
Local
Other Local Agency

About this bridge

1420 North Road over East Main Canal is a prestressed concrete slab carrying 1420 North Road over East Main 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 230 vehicles a day, roughly 10% of them trucks, projected to reach 345 by 2042. The structure is 52 ft (15.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries1420 North Road
CrossesEast Main Canal
Location6.5 N 2.5 W Richfield
RouteCounty Highway 0
StateIdaho
Coordinates43.14111, -114.20278
Functional classRural Minor Collector

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 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length52 ft (15.9 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2023)
Projected traffic345 by 2042
Trucks10%
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

OwnerOther Local Agency
Maintained byOther Local 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 1420 North Road over East Main Canal built?

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

What condition is 1420 North Road over East Main 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 2021.

How much traffic does 1420 North Road over East Main Canal carry?

About 230 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 1420 North Road over East Main Canal?

The structure is 52 ft (15.9 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns 1420 North Road over East Main Canal?

It is owned by the Other Local Agency.