US Bridges

Sma 7143; Ustick over Settlers Canal

Fair

Ada County, Idaho · Ustick Road in Boise · Structure no. 000000000021297

Built
2000
25 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
15,000
2023 count
Owner
County
County Highway Agency

About this bridge

Sma 7143; Ustick over Settlers Canal is a prestressed concrete stringer/multi-beam or girder carrying Sma 7143; Ustick 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 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 15,000 vehicles a day, roughly 7% of them trucks, projected to reach 22,500 by 2042. The structure is 112 ft (34.1 m) long and 96 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSma 7143; Ustick
CrossesSettlers Canal
LocationUstick Road in Boise
RouteCity Street 7143
StateIdaho
Coordinates43.63367, -116.25736
Functional classUrban Minor 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 protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length112 ft (34.1 m)
Longest span89 ft (27.1 m)
Deck width96 ft (29.4 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic22,500 by 2042
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 7143; Ustick over Settlers Canal built?

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

What condition is Sma 7143; Ustick over Settlers 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 March 2024.

How much traffic does Sma 7143; Ustick over Settlers Canal carry?

About 15,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sma 7143; Ustick over Settlers Canal?

The structure is 112 ft (34.1 m) long with a longest span of 89 ft (27.1 m) and a deck 96 ft wide.

Who owns Sma 7143; Ustick over Settlers Canal?

It is owned by the County Highway Agency.