Structure P00001490+05771 · Phillips County, MT

US 2 over Beaver Creek Overflow

Carries US 2 over Beaver Creek Overflow, 9m W Saco.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT92 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

92 ft end to end, longest span 25 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 slab bridge.

Built196858 years old
Length91.9 ft28 m
Daily traffic1,409counted 2023
Last inspectedApril 2024every 24 months

Location

StateMontana
CountyPhillips
Location9m W Saco
CarriesUS 2
CrossesBeaver Creek Overflow
Coordinates48.47175, -107.52917

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length91.9 ft (28 m)
Max Span24.9 ft (7.6 m)
Deck Width43.0 ft (13.1 m)
Deck Area366.8 sq m
Main Spans4
Year Built1968

Traffic

Avg Daily Traffic1,409 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberP00001490+05771

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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