US Bridges

STC9687;HS Bend RD over Farmers Union Canal

Fair

Ada County, Idaho · 5.0 NW Boise Wcl · Structure no. 000000000014751

Built
2012
13 years old
Condition
Fair
inspected March 2022
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
6,600
2023 count
Owner
County
County Highway Agency

About this bridge

STC9687;HS Bend RD over Farmers Union Canal is a concrete frame carrying STC9687;HS Bend RD over Farmers Union Canal in Ada County, Idaho. It was built in 2012, so it is 13 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 6,600 vehicles a day, roughly 6% of them trucks, projected to reach 9,900 by 2042. The structure is 31 ft (9.4 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSTC9687;HS Bend RD
CrossesFarmers Union Canal
Location5.0 NW Boise Wcl
RouteCounty Highway 9687
CountyAda County
StateIdaho
Coordinates43.6949, -116.31395
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating89.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width59 ft (17.9 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2023)
Projected traffic9,900 by 2042
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was STC9687;HS Bend RD over Farmers Union Canal built?

It was built in 2012, making it 13 years old in 2025.

What condition is STC9687;HS Bend RD over Farmers Union 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 2022.

How much traffic does STC9687;HS Bend RD over Farmers Union Canal carry?

About 6,600 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is STC9687;HS Bend RD over Farmers Union Canal?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 59 ft wide.

Who owns STC9687;HS Bend RD over Farmers Union Canal?

It is owned by the County Highway Agency.