Structure S00487000+02001 · Flathead County, MT

Baker AVE over Rr

Carries Baker AVE over Rr, Whitefish-baker AVE.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT412 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

412 ft end to end, longest span 113 ft: about 6 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 multi-beam bridge.

Built199432 years old
Length411.7 ft125.5 m
Daily traffic15,102counted 2023
Last inspectedAugust 2024every 24 months

Location

StateMontana
CountyFlathead
LocationWhitefish-baker AVE
CarriesBaker AVE
CrossesRr
Coordinates48.41416, -114.33888

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length411.7 ft (125.5 m)
Max Span112.9 ft (34.4 m)
Deck Width63.0 ft (19.2 m)
Deck Area2409.6 sq m
Main Spans5
Year Built1994

Traffic

Avg Daily Traffic15,102 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberS00487000+02001

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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