US Bridges

2300 East Road over Salmon Canal Lateral #2

Fair

Twin Falls County, Idaho · 1.8 S. 1.0 W. Hollister · Structure no. 000000000025635

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
58 ft
2 main spans
Daily traffic
90
2023 count
Owner
Local
Other Local Agency

About this bridge

2300 East Road over Salmon Canal Lateral #2 is a prestressed concrete tee beam carrying 2300 East Road over Salmon Canal Lateral #2 in Twin Falls County, Idaho. It was built in 1971, so it is 54 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 5 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 90 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2039. The structure is 58 ft (17.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries2300 East Road
CrossesSalmon Canal Lateral #2
Location1.8 S. 1.0 W. Hollister
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.32567, -114.59433
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
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 typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length58 ft (17.7 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic135 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$569,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 2300 East Road over Salmon Canal Lateral #2 built?

It was built in 1971, making it 54 years old in 2025.

What condition is 2300 East Road over Salmon Canal Lateral #2 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 October 2024.

How much traffic does 2300 East Road over Salmon Canal Lateral #2 carry?

About 90 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 2300 East Road over Salmon Canal Lateral #2?

The structure is 58 ft (17.7 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns 2300 East Road over Salmon Canal Lateral #2?

It is owned by the Other Local Agency.