US Bridges

N 1700 E over Egin Canal

Fair

Fremont County, Idaho · 0.8 N. 1.0 E. Egin · Structure no. 000000000032000

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

N 1700 E over Egin Canal is a prestressed concrete tee beam carrying N 1700 E over Egin Canal in Fremont County, Idaho. It was built in 1980, so it is 45 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2039. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN 1700 E
CrossesEgin Canal
Location0.8 N. 1.0 E. Egin
RouteCounty Highway 0
StateIdaho
Coordinates43.94889, -111.81714
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic30 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$267,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N 1700 E over Egin Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is N 1700 E over Egin 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 November 2024.

How much traffic does N 1700 E over Egin Canal carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is N 1700 E over Egin Canal?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns N 1700 E over Egin Canal?

It is owned by the County Highway Agency.