US Bridges

Stc 3782;MALT RD over Low Line Canal

Fair

Canyon County, Idaho · 3.5 N. 3.0 E. Marsing · Structure no. 000000000027046

Built
1998
27 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
92 ft
3 main spans
Daily traffic
330
2023 count
Owner
Local
Other Local Agency

About this bridge

Stc 3782;MALT RD over Low Line Canal is a concrete frame carrying Stc 3782;MALT RD over Low Line Canal in Canyon County, Idaho. It was built in 1998, so it is 27 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 330 vehicles a day, projected to reach 495 by 2042. The structure is 92 ft (28 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesStc 3782;MALT RD
CrossesLow Line Canal
Location3.5 N. 3.0 E. Marsing
RouteCounty Highway 3782
CountyCanyon County
StateIdaho
Coordinates43.59694, -116.7525
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length92 ft (28 m)
Longest span29 ft (8.8 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2023)
Projected traffic495 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 3782;MALT RD over Low Line Canal built?

It was built in 1998, making it 27 years old in 2025.

What condition is Stc 3782;MALT RD 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 Stc 3782;MALT RD over Low Line Canal carry?

About 330 vehicles per day (2023 count).

How long is Stc 3782;MALT RD over Low Line Canal?

The structure is 92 ft (28 m) long with a longest span of 29 ft (8.8 m) and a deck 40 ft wide.

Who owns Stc 3782;MALT RD over Low Line Canal?

It is owned by the Other Local Agency.