Structure 24865 · Jerome County, ID

Vinyard Road over I 84;vinyard RD Gs

Carries Vinyard Road over I 84;vinyard RD Gs, 6.2 E. Twin Falls.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating3/9 · Serious
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT220 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 3/9 · sets the ratingSubstructure 7/9

220 ft end to end, longest span 49 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.

Built196561 years old
Length220.1 ft67.1 m
Daily traffic70counted 2023
Last inspectedNovember 2024every 12 months

Location

StateIdaho
CountyJerome
Location6.2 E. Twin Falls
CarriesVinyard Road
CrossesI 84;vinyard RD Gs
Coordinates42.59028, -114.32417

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length220.1 ft (67.1 m)
Max Span48.9 ft (14.9 m)
Deck Width28.9 ft (8.8 m)
Deck Area590.5 sq m
Main Spans5
Year Built1965

Traffic

Avg Daily Traffic70 (2023)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000024865

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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