US Bridges

S 2400 W; Anderson over High Line Canal

Fair

Bingham County, Idaho · 4.5 W. 0.2 N Springfield · Structure no. 000000000022745

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
78 ft
2 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

S 2400 W; Anderson over High Line Canal is a prestressed concrete tee beam carrying S 2400 W; Anderson over High Line Canal in Bingham County, Idaho. It was built in 1974, so it is 51 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2039. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesS 2400 W; Anderson
CrossesHigh Line Canal
Location4.5 W. 0.2 N Springfield
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.083, -112.77136
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 geometry7: Better than 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 20
Structure length78 ft (23.8 m)
Longest span37 ft (11.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic150 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$585,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S 2400 W; Anderson over High Line Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is S 2400 W; Anderson over High Line 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 2023.

How much traffic does S 2400 W; Anderson over High Line Canal carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S 2400 W; Anderson over High Line Canal?

The structure is 78 ft (23.8 m) long with a longest span of 37 ft (11.3 m) and a deck 30 ft wide.

Who owns S 2400 W; Anderson over High Line Canal?

It is owned by the County Highway Agency.