US Bridges

US 95 over Riverside Canal

Fair

Canyon County, Idaho · 4 N. Wilder · Structure no. 000000000018060

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
55 ft
1 main span
Daily traffic
3,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Riverside Canal is a concrete tee beam carrying US 95 over Riverside Canal in Canyon County, Idaho. It was built in 1964, so it is 61 years old, older 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 3,900 vehicles a day, roughly 21% of them trucks, projected to reach 5,850 by 2042. The structure is 55 ft (16.9 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS 95
CrossesRiverside Canal
Location4 N. Wilder
RouteU.S. Route 95
CountyCanyon County
StateIdaho
Coordinates43.73039, -116.91589
Functional classRural Principal Arterial - Other

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 inspectionNovember 2023
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 alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span53 ft (16.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic5,850 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 95 over Riverside Canal built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 95 over Riverside 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 November 2023.

How much traffic does US 95 over Riverside Canal carry?

About 3,900 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US 95 over Riverside Canal?

The structure is 55 ft (16.9 m) long with a longest span of 53 ft (16.1 m) and a deck 36 ft wide.

Who owns US 95 over Riverside Canal?

It is owned by the State Highway Agency.