US Bridges

Stc 7393;OWYHEE ST over New York Canal

Good

Ada County, Idaho · Owyhee Street in Boise · Structure no. 000000000021521

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
1,600
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 7393;OWYHEE ST over New York Canal is a prestressed concrete stringer/multi-beam or girder carrying Stc 7393;OWYHEE ST over New York Canal in Ada County, Idaho. It was built in 1997, so it is 28 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 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 2,400 by 2042. The structure is 89 ft (27.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStc 7393;OWYHEE ST
CrossesNew York Canal
LocationOwyhee Street in Boise
RouteCity Street 7393
StateIdaho
Coordinates43.57781, -116.22344
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length89 ft (27.1 m)
Longest span86 ft (26.2 m)
Deck width52 ft (15.7 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,400 by 2042
Trucks6%
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 Stc 7393;OWYHEE ST over New York Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is Stc 7393;OWYHEE ST 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 October 2023.

How much traffic does Stc 7393;OWYHEE ST over New York Canal carry?

About 1,600 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Stc 7393;OWYHEE ST over New York Canal?

The structure is 89 ft (27.1 m) long with a longest span of 86 ft (26.2 m) and a deck 52 ft wide.

Who owns Stc 7393;OWYHEE ST over New York Canal?

It is owned by the County Highway Agency.