US Bridges

STC8317;LANSING RD over Canyon Canal

Fair

Canyon County, Idaho · 2.4 E. Middleton · Structure no. 000000000027031

Built
2003
22 years old
Condition
Fair
inspected April 2021
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
2,400
2023 count
Owner
Local
Other Local Agency

About this bridge

STC8317;LANSING RD over Canyon Canal is a concrete frame carrying STC8317;LANSING RD over Canyon Canal in Canyon County, Idaho. It was built in 2003, so it is 22 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 2,400 vehicles a day, roughly 5% of them trucks, projected to reach 3,600 by 2042. The structure is 26 ft (7.9 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSTC8317;LANSING RD
CrossesCanyon Canal
Location2.4 E. Middleton
RouteCounty Highway 8317
StateIdaho
Coordinates43.70731, -116.57289
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 rating66 US tons
Inventory rating39 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic3,600 by 2042
Trucks5%
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

OwnerOther Local Agency
Maintained byOther Local 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 STC8317;LANSING RD over Canyon Canal built?

It was built in 2003, making it 22 years old in 2025.

What condition is STC8317;LANSING RD over Canyon 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 April 2021.

How much traffic does STC8317;LANSING RD over Canyon Canal carry?

About 2,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is STC8317;LANSING RD over Canyon Canal?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 50 ft wide.

Who owns STC8317;LANSING RD over Canyon Canal?

It is owned by the Other Local Agency.