US Bridges

Sma 7243;PROTEST over Ridenbaugh Canal

Good

Ada County, Idaho · In Boise;protest Avenue · Structure no. 000000000021646

Built
1992
33 years old
Condition
Good
inspected October 2022
Type
Frame
Concrete
Length
37 ft
1 main span
Daily traffic
9,500
2023 count
Owner
County
County Highway Agency

About this bridge

Sma 7243;PROTEST over Ridenbaugh Canal is a concrete frame carrying Sma 7243;PROTEST 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 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 9,500 vehicles a day, roughly 1% of them trucks, projected to reach 14,250 by 2042. The structure is 37 ft (11.3 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSma 7243;PROTEST
CrossesRidenbaugh Canal
LocationIn Boise;protest Avenue
RouteCity Street 7243
CountyAda County
StateIdaho
Coordinates43.59425, -116.20625
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating103 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width86 ft (26.2 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2023)
Projected traffic14,250 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Sma 7243;PROTEST over Ridenbaugh Canal built?

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

What condition is Sma 7243;PROTEST over Ridenbaugh 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 2022.

How much traffic does Sma 7243;PROTEST over Ridenbaugh Canal carry?

About 9,500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Sma 7243;PROTEST over Ridenbaugh Canal?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 86 ft wide.

Who owns Sma 7243;PROTEST over Ridenbaugh Canal?

It is owned by the County Highway Agency.