Structure 37845 · Benewah County, ID

Erickson RD over Benewah Creek

Carries Erickson RD over Benewah Creek, 3.7 N. 3.1 E. Benewah.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT46 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

46 ft end to end, longest span 31 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.

Built197056 years old
Length45.9 ft14 m
Daily traffic50counted 2023
Last inspectedJuly 2023every 24 months

Location

StateIdaho
CountyBenewah
Location3.7 N. 3.1 E. Benewah
CarriesErickson RD
CrossesBenewah Creek
Coordinates47.28150, -116.72222

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length45.9 ft (14 m)
Max Span30.8 ft (9.4 m)
Deck Width12.5 ft (3.8 m)
Deck Area53.2 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic50 (2023)
Truck Traffic50%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000000037845

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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