Structure 30415 · Kootenai County, ID

S Bull Run Road over Cda River;rose Lake Br

Carries S Bull Run Road over Cda River;rose Lake Br, 2.5 S. 1.5 W.rose Lake Ic.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT328 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

328 ft end to end, longest span 139 ft: about 5 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 tee-beam bridge.

Built198343 years old
Length328.1 ft100 m
Daily traffic40counted 2023
Last inspectedJune 2021every 48 months

Location

StateIdaho
CountyKootenai
Location2.5 S. 1.5 W.rose Lake Ic
CarriesS Bull Run Road
CrossesCda River;rose Lake Br
Coordinates47.53722, -116.47303

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length328.1 ft (100 m)
Max Span139.1 ft (42.4 m)
Deck Width15.1 ft (4.6 m)
Deck Area460 sq m
Main Spans4
Year Built1983

Traffic

Avg Daily Traffic40 (2023)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2021
Inspection FrequencyEvery 48 months
OwnerOther Local Agencies
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000000030415

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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