US Bridges

950 East Road over Main Southside Canal

Fair

Cassia County, Idaho · 0.9 N 1.0 E Declo · Structure no. 000000000024091

Built
2008
17 years old
Condition
Fair
inspected March 2022
Type
Frame
Concrete
Length
98 ft
3 main spans
Daily traffic
200
2023 count
Owner
Local
Other Local Agency

About this bridge

950 East Road over Main Southside Canal is a concrete frame carrying 950 East Road over Main Southside Canal in Cassia County, Idaho. It was built in 2008, so it is 17 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2039. The structure is 98 ft (29.9 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries950 East Road
CrossesMain Southside Canal
Location0.9 N 1.0 E Declo
RouteCounty Highway 0
CountyCassia County
StateIdaho
Coordinates42.53272, -113.60844
Functional classRural Local

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 protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length98 ft (29.9 m)
Longest span48 ft (14.6 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2039
Trucks10%
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 950 East Road over Main Southside Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is 950 East Road over Main Southside 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 950 East Road over Main Southside Canal carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 950 East Road over Main Southside Canal?

The structure is 98 ft (29.9 m) long with a longest span of 48 ft (14.6 m) and a deck 50 ft wide.

Who owns 950 East Road over Main Southside Canal?

It is owned by the Other Local Agency.