Structure 18386 · Idaho County, ID

US 95 over Lawyers Canyon Creek

Carries US 95 over Lawyers Canyon Creek, 5.0 S. Craigmont.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT919 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

919 ft end to end, longest span 265 ft: about 2.6 football fields. 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.

Built199135 years old
Length919.0 ft280.1 m
Daily traffic3,500counted 2023
Last inspectedOctober 2021every 48 months

Location

StateIdaho
CountyIdaho
Location5.0 S. Craigmont
CarriesUS 95
CrossesLawyers Canyon Creek
Coordinates46.18978, -116.39978

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length919.0 ft (280.1 m)
Max Span265.1 ft (80.8 m)
Deck Width45.6 ft (13.9 m)
Deck Area3893.4 sq m
Main Spans4
Year Built1991

Traffic

Avg Daily Traffic3,500 (2023)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical9 — Foundation above flood level
Structure Number000000000018386

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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