US Bridges

S. Findley Avenue over New York Canal

Good

Ada County, Idaho · In Boise · Structure no. 000000000033405

Built
1998
27 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
111 ft
3 main spans
Daily traffic
400
2023 count
Owner
County
County Highway Agency

About this bridge

S. Findley Avenue over New York Canal is a prestressed concrete tee beam carrying S. Findley Avenue over New York Canal in Ada County, Idaho. It was built in 1998, so it is 27 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2039. The structure is 111 ft (33.8 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS. Findley Avenue
CrossesNew York Canal
LocationIn Boise
RouteCity Street 0
StateIdaho
Coordinates43.56725, -116.18922
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
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 rating84 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length111 ft (33.8 m)
Longest span36 ft (11 m)
Deck width45 ft (13.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic600 by 2039
Trucks10%
Lanes on structure2
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 S. Findley Avenue over New York Canal built?

It was built in 1998, making it 27 years old in 2025.

What condition is S. Findley Avenue over New York 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 2024.

How much traffic does S. Findley Avenue over New York Canal carry?

About 400 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S. Findley Avenue over New York Canal?

The structure is 111 ft (33.8 m) long with a longest span of 36 ft (11 m) and a deck 45 ft wide.

Who owns S. Findley Avenue over New York Canal?

It is owned by the County Highway Agency.