US Bridges

S3786;CHCKEN Dinnr over Low Line Canal

Fair

Canyon County, Idaho · 4.5 N. 2.0 E. Marsing · Structure no. 000000000027480

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Prestressed Concrete
Length
69 ft
2 main spans
Daily traffic
570
2023 count
Owner
Local
Other Local Agency

About this bridge

S3786;CHCKEN Dinnr over Low Line Canal is a prestressed concrete channel beam carrying S3786;CHCKEN Dinnr over Low Line Canal in Canyon County, Idaho. It was built in 1965, 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 570 vehicles a day, projected to reach 855 by 2042. The structure is 69 ft (21 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS3786;CHCKEN Dinnr
CrossesLow Line Canal
Location4.5 N. 2.0 E. Marsing
RouteCounty Highway 3786
CountyCanyon County
StateIdaho
Coordinates43.61119, -116.77261
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length69 ft (21 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2023)
Projected traffic855 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$774,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S3786;CHCKEN Dinnr over Low Line Canal built?

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

What condition is S3786;CHCKEN Dinnr 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 2023.

How much traffic does S3786;CHCKEN Dinnr over Low Line Canal carry?

About 570 vehicles per day (2023 count).

How long is S3786;CHCKEN Dinnr over Low Line Canal?

The structure is 69 ft (21 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns S3786;CHCKEN Dinnr over Low Line Canal?

It is owned by the Other Local Agency.