US Bridges

2500 North Road over Salmon Lateral NO.1

Fair

Twin Falls County, Idaho · 0.5 N. 2.0 E. Hollister · Structure no. 000000000025525

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
40
2023 count
Owner
Local
Other Local Agency

About this bridge

2500 North Road over Salmon Lateral NO.1 is a prestressed concrete tee beam carrying 2500 North Road over Salmon Lateral NO.1 in Twin Falls County, Idaho. It was built in 1978, so it is 47 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2039. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries2500 North Road
CrossesSalmon Lateral NO.1
Location0.5 N. 2.0 E. Hollister
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.36056, -114.53694
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic60 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 2500 North Road over Salmon Lateral NO.1 built?

It was built in 1978, making it 47 years old in 2025.

What condition is 2500 North Road over Salmon Lateral NO.1 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 February 2024.

How much traffic does 2500 North Road over Salmon Lateral NO.1 carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 2500 North Road over Salmon Lateral NO.1?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns 2500 North Road over Salmon Lateral NO.1?

It is owned by the Other Local Agency.