US Bridges

SMA7553;FEDERAL Wy over New York Canal

Fair

Ada County, Idaho · 1.1 SE Boise Scl · Structure no. 000000000021670

Built
1989
36 years old
Condition
Fair
inspected November 2021
Type
Slab
Concrete Continuous
Length
146 ft
3 main spans
Daily traffic
20,500
2023 count
Owner
County
County Highway Agency

About this bridge

SMA7553;FEDERAL Wy over New York Canal is a concrete continuous slab carrying SMA7553;FEDERAL Wy over New York Canal in Ada County, Idaho. It was built in 1989, so it is 36 years old, younger 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 20,500 vehicles a day, roughly 4% of them trucks, projected to reach 30,750 by 2042. The structure is 146 ft (44.5 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSMA7553;FEDERAL Wy
CrossesNew York Canal
Location1.1 SE Boise Scl
RouteCounty Highway 7553
CountyAda County
StateIdaho
Coordinates43.56681, -116.18019
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating110.1 US tons
Inventory rating92 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length146 ft (44.5 m)
Longest span48 ft (14.6 m)
Deck width78 ft (23.7 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2023)
Projected traffic30,750 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SMA7553;FEDERAL Wy over New York Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is SMA7553;FEDERAL Wy 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 November 2021.

How much traffic does SMA7553;FEDERAL Wy over New York Canal carry?

About 20,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SMA7553;FEDERAL Wy over New York Canal?

The structure is 146 ft (44.5 m) long with a longest span of 48 ft (14.6 m) and a deck 78 ft wide.

Who owns SMA7553;FEDERAL Wy over New York Canal?

It is owned by the County Highway Agency.