US Bridges

Ridgeway Road over C Canal

Poor

Jerome County, Idaho · 2.0 S. 3.5 E. Hazelton · Structure no. 000000000024545

Built
1963
62 years old
Condition
Poor
inspected March 2024
Type
Channel Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
450
2023 count
Owner
Local
Other Local Agency

About this bridge

Ridgeway Road over C Canal is a prestressed concrete channel beam carrying Ridgeway Road over C Canal in Jerome County, Idaho. It was built in 1963, so it is 62 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 450 vehicles a day, roughly 10% of them trucks, projected to reach 675 by 2042. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRidgeway Road
CrossesC Canal
Location2.0 S. 3.5 E. Hazelton
RouteCounty Highway 0
CountyJerome County
StateIdaho
Coordinates42.56839, -114.06942
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic675 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$454,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridgeway Road over C Canal built?

It was built in 1963, making it 62 years old in 2025.

What condition is Ridgeway Road over C Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Ridgeway Road over C Canal carry?

About 450 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ridgeway Road over C Canal?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Ridgeway Road over C Canal?

It is owned by the Other Local Agency.