US Bridges

Power Line Road over New York Canal

Fair

Canyon County, Idaho · 4.8 S. 0.4 E. Nampa · Structure no. 000000000027250

Built
1919
106 years old, rebuilt 1987
Condition
Fair
inspected February 2024
Type
Frame
Concrete
Length
56 ft
2 main spans
Daily traffic
660
2023 count
Owner
Local
Other Local Agency

About this bridge

Power Line Road over New York Canal is a concrete frame carrying Power Line Road over New York Canal in Canyon County, Idaho. It was built in 1919 and reconstructed in 1987, so it is 106 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 660 vehicles a day, projected to reach 990 by 2042. The structure is 56 ft (17.1 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPower Line Road
CrossesNew York Canal
Location4.8 S. 0.4 E. Nampa
RouteCounty Highway 0
CountyCanyon County
StateIdaho
Coordinates43.50766, -116.55302
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating52 US tons
Inventory rating31 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span27 ft (8.2 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2023)
Projected traffic990 by 2042
Trucks0%
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 Power Line Road over New York Canal built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1987.

What condition is Power Line Road over New York Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Power Line Road over New York Canal carry?

About 660 vehicles per day (2023 count).

How long is Power Line Road over New York Canal?

The structure is 56 ft (17.1 m) long with a longest span of 27 ft (8.2 m) and a deck 45 ft wide.

Who owns Power Line Road over New York Canal?

It is owned by the Other Local Agency.