US Bridges

SMA9613;MCMILLAN R over Settlers Canal

Good

Ada County, Idaho · In Boise · Structure no. 000000000025853

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
7,300
2023 count
Owner
County
County Highway Agency

About this bridge

SMA9613;MCMILLAN R over Settlers Canal is a concrete frame carrying SMA9613;MCMILLAN R over Settlers Canal in Ada County, Idaho. It was built in 2000, so it is 25 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 7,300 vehicles a day, projected to reach 10,950 by 2042. The structure is 32 ft (9.8 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSMA9613;MCMILLAN R
CrossesSettlers Canal
LocationIn Boise
RouteCity Street 9613
CountyAda County
StateIdaho
Coordinates43.6485, -116.30631
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width85 ft (25.9 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2023)
Projected traffic10,950 by 2042
Trucks0%
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 SMA9613;MCMILLAN R over Settlers Canal built?

It was built in 2000, making it 25 years old in 2025.

What condition is SMA9613;MCMILLAN R over Settlers 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 March 2023.

How much traffic does SMA9613;MCMILLAN R over Settlers Canal carry?

About 7,300 vehicles per day (2023 count).

How long is SMA9613;MCMILLAN R over Settlers Canal?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 85 ft wide.

Who owns SMA9613;MCMILLAN R over Settlers Canal?

It is owned by the County Highway Agency.