US Bridges

Sma 9183;TEN Mile over Ten Mile Drain

Good

Ada County, Idaho · 2.0 W. Meridian · Structure no. 000000000019770

Built
1990
35 years old, rebuilt 2010
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
26,000
2023 count
Owner
County
County Highway Agency

About this bridge

Sma 9183;TEN Mile over Ten Mile Drain is a concrete culvert carrying Sma 9183;TEN Mile over Ten Mile Drain in Ada County, Idaho. It was built in 1990 and reconstructed in 2010, so it is 35 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 26,000 vehicles a day, roughly 1% of them trucks, projected to reach 39,000 by 2042. The structure is 22 ft (6.7 m) long and 101 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSma 9183;TEN Mile
CrossesTen Mile Drain
Location2.0 W. Meridian
RouteCounty Highway 9183
StateIdaho
Coordinates43.60589, -116.43372
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating101 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width101 ft (30.8 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2023)
Projected traffic39,000 by 2042
Trucks1%
Lanes on structure5
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 Ten Mile Drain built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2010.

What condition is Sma 9183;TEN Mile over Ten Mile Drain 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 February 2023.

How much traffic does Sma 9183;TEN Mile over Ten Mile Drain carry?

About 26,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Sma 9183;TEN Mile over Ten Mile Drain?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 101 ft wide.

Who owns Sma 9183;TEN Mile over Ten Mile Drain?

It is owned by the County Highway Agency.