US Bridges

Sma 9183;TEN Mile over Ridenbaugh Canal

Fair

Ada County, Idaho · 0.3 S. Overland-Ten Mile · Structure no. 000000000019761

Built
1993
32 years old, rebuilt 2011
Condition
Fair
inspected February 2021
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
19,500
2023 count
Owner
County
County Highway Agency

About this bridge

Sma 9183;TEN Mile over Ridenbaugh Canal is a concrete frame carrying Sma 9183;TEN Mile over Ridenbaugh Canal in Ada County, Idaho. It was built in 1993 and reconstructed in 2011, so it is 32 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 19,500 vehicles a day, roughly 3% of them trucks, projected to reach 29,250 by 2042. The structure is 34 ft (10.4 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSma 9183;TEN Mile
CrossesRidenbaugh Canal
Location0.3 S. Overland-Ten Mile
RouteCounty Highway 9183
CountyAda County
StateIdaho
Coordinates43.58828, -116.43375
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating87 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width87 ft (26.5 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2023)
Projected traffic29,250 by 2042
Trucks3%
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 Sma 9183;TEN Mile over Ridenbaugh Canal built?

It was built in 1993, making it 32 years old in 2025. It was reconstructed in 2011.

What condition is Sma 9183;TEN Mile 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 February 2021.

How much traffic does Sma 9183;TEN Mile over Ridenbaugh Canal carry?

About 19,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sma 9183;TEN Mile over Ridenbaugh Canal?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 87 ft wide.

Who owns Sma 9183;TEN Mile over Ridenbaugh Canal?

It is owned by the County Highway Agency.