US Bridges

Shoestring Road over Snake River;sw Bliss Br

Poor

Twin Falls County, Idaho · 0.6 S. 0.8 W. Bliss · Structure no. 000000000025330

Built
1977
48 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
190 ft
2 main spans
Daily traffic
190
2023 count
Owner
Local
Other Local Agency

About this bridge

Shoestring Road over Snake River;sw Bliss Br is a prestressed concrete stringer/multi-beam or girder carrying Shoestring Road over Snake River;sw Bliss Br 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 poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 190 vehicles a day, projected to reach 285 by 2042. The structure is 190 ft (57.9 m) long and 32 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesShoestring Road
CrossesSnake River;sw Bliss Br
Location0.6 S. 0.8 W. Bliss
RouteCounty Highway 0
StateIdaho
Coordinates42.91519, -114.96583
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating18 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span118 ft (36 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2023)
Projected traffic285 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$1.6 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Shoestring Road over Snake River;sw Bliss Br built?

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

What condition is Shoestring Road over Snake River;sw Bliss Br in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Shoestring Road over Snake River;sw Bliss Br carry?

About 190 vehicles per day (2023 count).

How long is Shoestring Road over Snake River;sw Bliss Br?

The structure is 190 ft (57.9 m) long with a longest span of 118 ft (36 m) and a deck 32 ft wide.

Who owns Shoestring Road over Snake River;sw Bliss Br?

It is owned by the Other Local Agency.