US Bridges

N 2700 E over Main Canal

Fair

Twin Falls County, Idaho · 3.0 E 1.0 N Hollister · Structure no. 000000000025523

Built
1965
60 years old, rebuilt 1985
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
460
2023 count
Owner
Local
Other Local Agency

About this bridge

N 2700 E over Main Canal is a concrete slab carrying N 2700 E over Main Canal in Twin Falls County, Idaho. It was built in 1965 and reconstructed in 1985, so it is 60 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 460 vehicles a day, roughly 18% of them trucks, projected to reach 690 by 2042. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN 2700 E
CrossesMain Canal
Location3.0 E 1.0 N Hollister
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.36756, -114.51606
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2023)
Projected traffic690 by 2042
Trucks18%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$263,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N 2700 E over Main Canal built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1985.

What condition is N 2700 E over Main 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 February 2023.

How much traffic does N 2700 E over Main Canal carry?

About 460 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is N 2700 E over Main Canal?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns N 2700 E over Main Canal?

It is owned by the Other Local Agency.