US Bridges

Lewis Lane over Mora Canal

Good

Canyon County, Idaho · 4.2 S 3.8 W Nampa City Ct · Structure no. 000000000027271

Built
2005
20 years old
Condition
Good
inspected February 2021
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
90
2023 count
Owner
Local
Other Local Agency

About this bridge

Lewis Lane over Mora Canal is a concrete frame carrying Lewis Lane over Mora Canal in Canyon County, Idaho. It was built in 2005, so it is 20 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 90 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2039. The structure is 22 ft (6.7 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLewis Lane
CrossesMora Canal
Location4.2 S 3.8 W Nampa City Ct
RouteCounty Highway 0
CountyCanyon County
StateIdaho
Coordinates43.51742, -116.63739
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic135 by 2039
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 Lewis Lane over Mora Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is Lewis Lane over Mora 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 February 2021.

How much traffic does Lewis Lane over Mora Canal carry?

About 90 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Lewis Lane over Mora Canal?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 50 ft wide.

Who owns Lewis Lane over Mora Canal?

It is owned by the Other Local Agency.