US Bridges

S9783;LOCUST Grove over Ridenbaugh Canal

Good

Ada County, Idaho · 3.2 S. 0.8 E. Meridian · Structure no. 000000000026135

Built
1984
41 years old
Condition
Good
inspected November 2022
Type
Frame
Concrete
Length
33 ft
1 main span
Daily traffic
8,400
2023 count
Owner
County
County Highway Agency

About this bridge

S9783;LOCUST Grove over Ridenbaugh Canal is a concrete frame carrying S9783;LOCUST Grove over Ridenbaugh Canal in Ada County, Idaho. It was built in 1984, so it is 41 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 8,400 vehicles a day, roughly 11% of them trucks, projected to reach 12,600 by 2042. The structure is 33 ft (10.1 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS9783;LOCUST Grove
CrossesRidenbaugh Canal
Location3.2 S. 0.8 E. Meridian
RouteCounty Highway 9783
CountyAda County
StateIdaho
Coordinates43.566, -116.37456
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 protection7 GoodSome minor problems.
Last inspectionNovember 2022
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2023)
Projected traffic12,600 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 S9783;LOCUST Grove over Ridenbaugh Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is S9783;LOCUST Grove 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 November 2022.

How much traffic does S9783;LOCUST Grove over Ridenbaugh Canal carry?

About 8,400 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is S9783;LOCUST Grove over Ridenbaugh Canal?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 50 ft wide.

Who owns S9783;LOCUST Grove over Ridenbaugh Canal?

It is owned by the County Highway Agency.