US Bridges

Shoestring Road over King Hill Main Canal

Fair

Twin Falls County, Idaho · 1.0 S. 1.5 W. Bliss · Structure no. 000000000025370

Built
1977
48 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
10
2023 count
Owner
Local
Other Local Agency

About this bridge

Shoestring Road over King Hill Main Canal is a prestressed concrete tee beam carrying Shoestring Road over King Hill Main Canal in Twin Falls County, Idaho. It was built in 1977, so it is 48 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 10 vehicles a day, projected to reach 15 by 2042. The structure is 53 ft (16.2 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesShoestring Road
CrossesKing Hill Main Canal
Location1.0 S. 1.5 W. Bliss
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.91153, -114.972
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Shoestring Road over King Hill Main Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is Shoestring Road over King Hill Main 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 Shoestring Road over King Hill Main Canal carry?

About 10 vehicles per day (2023 count).

How long is Shoestring Road over King Hill Main Canal?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns Shoestring Road over King Hill Main Canal?

It is owned by the Other Local Agency.