US Bridges

Fingal Road over Low Line Canal

Fair

Bingham County, Idaho · 1.5N. 0.4W. Aberdeen · Structure no. 000000000022520

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
90
2023 count
Owner
County
County Highway Agency

About this bridge

Fingal Road over Low Line Canal is a prestressed concrete tee beam carrying Fingal Road over Low Line Canal in Bingham County, Idaho. It was built in 1968, so it is 57 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 90 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2039. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFingal Road
CrossesLow Line Canal
Location1.5N. 0.4W. Aberdeen
RouteCounty Highway 0
StateIdaho
Coordinates42.96592, -112.84642
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic135 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fingal Road over Low Line Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Fingal Road over Low 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 2024.

How much traffic does Fingal Road over Low Line Canal carry?

About 90 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Fingal Road over Low Line Canal?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns Fingal Road over Low Line Canal?

It is owned by the County Highway Agency.