Structure 25330 · Twin Falls County, ID

Shoestring Road over Snake River;sw Bliss Br

Carries Shoestring Road over Snake River;sw Bliss Br, 0.6 S. 0.8 W. Bliss.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 2 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating2/9 · Critical
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT190 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 2/9 · sets the rating

190 ft end to end, longest span 118 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197749 years old
Length190.0 ft57.9 m
Daily traffic190counted 2023
Last inspectedJune 2023every 12 months

Location

StateIdaho
CountyTwin Falls
Location0.6 S. 0.8 W. Bliss
CarriesShoestring Road
CrossesSnake River;sw Bliss Br
Coordinates42.91519, -114.96583

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length190.0 ft (57.9 m)
Max Span118.1 ft (36 m)
Deck Width31.8 ft (9.7 m)
Deck Area561.6 sq m
Main Spans2
Year Built1977

Traffic

Avg Daily Traffic190 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 12 months
OwnerOther Local Agencies
Historical SignificanceHistorical significance is not determined
Scour Critical2 — Bridge closed (monitoring)
Structure Number000000000025330

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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