Structure 41302000001079 · Lemhi County, ID

No Data Entered over Panther Creek

Carries No Data Entered over Panther Creek, No Data Entered.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT95 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 7/9Substructure 7/9

95 ft end to end. 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 tee-beam bridge.

Built1980rebuilt 1995
Length94.8 ft28.9 m
Daily traffic200counted 1989
Last inspectedOctober 2023every 24 months

Location

StateIdaho
CountyLemhi
LocationNo Data Entered
CarriesNo Data Entered
CrossesPanther Creek
Coordinates45.31491, -114.40520

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length94.8 ft (28.9 m)
Max Span92.5 ft (28.2 m)
Deck Width21.0 ft (6.4 m)
Deck Area185.0 sq m
Main Spans1
Year Built1980 (reconstructed 1995)

Traffic

Avg Daily Traffic200 (1989)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number041302000001079

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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