US Bridges

Stp 8973;ORCHARD over Settlers Canal 35/36 St.

Good

Ada County, Idaho · In Garden City;orchard ST · Structure no. 000000000026060

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
204 ft
2 main spans
Daily traffic
12,000
2023 count
Owner
County
County Highway Agency

About this bridge

Stp 8973;ORCHARD over Settlers Canal 35/36 St. is a prestressed concrete continuous stringer/multi-beam or girder carrying Stp 8973;ORCHARD over Settlers Canal 35/36 St. 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 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 12,000 vehicles a day, roughly 5% of them trucks, projected to reach 18,000 by 2042. The structure is 204 ft (62.2 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStp 8973;ORCHARD
CrossesSettlers Canal 35/36 St.
LocationIn Garden City;orchard ST
RouteCity Street 8973
CountyAda County
StateIdaho
Coordinates43.62111, -116.24336
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating97 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length204 ft (62.2 m)
Longest span102 ft (31.1 m)
Deck width71 ft (21.5 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic18,000 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
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 Stp 8973;ORCHARD over Settlers Canal 35/36 St. built?

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

What condition is Stp 8973;ORCHARD over Settlers Canal 35/36 St. 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 March 2023.

How much traffic does Stp 8973;ORCHARD over Settlers Canal 35/36 St. carry?

About 12,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Stp 8973;ORCHARD over Settlers Canal 35/36 St.?

The structure is 204 ft (62.2 m) long with a longest span of 102 ft (31.1 m) and a deck 71 ft wide.

Who owns Stp 8973;ORCHARD over Settlers Canal 35/36 St.?

It is owned by the County Highway Agency.