Structure 16320 · Minidoka County, ID

I 84 Ebl over Shodde Road Gs

Carries I 84 Ebl over Shodde Road Gs, 5.4 W. Burley.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT114 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

114 ft end to end, longest span 37 ft. Lengths and the car 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.

Built196660 years old
Length113.8 ft34.7 m
Daily traffic11,000counted 2023
Last inspectedApril 2021every 48 months

Location

StateIdaho
CountyMinidoka
Location5.4 W. Burley
CarriesI 84 Ebl
CrossesShodde Road Gs
Coordinates42.57633, -113.89029

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length113.8 ft (34.7 m)
Max Span37.1 ft (11.3 m)
Deck Width40.4 ft (12.3 m)
Deck Area426.8 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic11,000 (2023)
Truck Traffic30%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000016320

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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