US Bridges

N 2100 E over Independent Canal

Fair

Fremont County, Idaho · 0.4 S. 1.0 E. Parker · Structure no. 000000000031880

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
160
2023 count
Owner
County
County Highway Agency

About this bridge

N 2100 E over Independent Canal is a prestressed concrete tee beam carrying N 2100 E over Independent Canal in Fremont County, Idaho. It was built in 1976, so it is 49 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 160 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2039. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesN 2100 E
CrossesIndependent Canal
Location0.4 S. 1.0 E. Parker
RouteCounty Highway 0
CountyFremont County
StateIdaho
Coordinates43.95053, -111.73789
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating41.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2023)
Projected traffic240 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$381,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N 2100 E over Independent Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is N 2100 E over Independent 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 2100 E over Independent Canal carry?

About 160 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is N 2100 E over Independent Canal?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns N 2100 E over Independent Canal?

It is owned by the County Highway Agency.