US Bridges

Stc 9163;APPLE ST over Ridenbaugh Canal

Fair

Ada County, Idaho · In Boise;apple Street · Structure no. 000000000025791

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
7,100
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 9163;APPLE ST over Ridenbaugh Canal is a prestressed concrete box beam or girders - multiple carrying Stc 9163;APPLE ST over Ridenbaugh Canal in Ada County, Idaho. It was built in 1992, so it is 33 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 7,100 vehicles a day, roughly 15% of them trucks, projected to reach 10,650 by 2042. The structure is 50 ft (15.2 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStc 9163;APPLE ST
CrossesRidenbaugh Canal
LocationIn Boise;apple Street
RouteCity Street 9163
CountyAda County
StateIdaho
Coordinates43.57363, -116.17339
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2023)
Projected traffic10,650 by 2042
Trucks15%
Lanes on structure3
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$99,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 9163;APPLE ST over Ridenbaugh Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is Stc 9163;APPLE ST over Ridenbaugh 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 October 2024.

How much traffic does Stc 9163;APPLE ST over Ridenbaugh Canal carry?

About 7,100 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Stc 9163;APPLE ST over Ridenbaugh Canal?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 56 ft wide.

Who owns Stc 9163;APPLE ST over Ridenbaugh Canal?

It is owned by the County Highway Agency.