Structure 4103130 · Billings County, ND

Fs722 over Roosevelt Creek

Carries Fs722 over Roosevelt Creek, 14n. 10 W. Sentinel Butte.

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 overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT48 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

48 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.

Built199531 years old
Length47.9 ft14.6 m
Daily traffic20counted 2018
Last inspectedMay 2023every 24 months

Location

StateNorth Dakota
CountyBillings
Location14n. 10 W. Sentinel Butte
CarriesFs722
CrossesRoosevelt Creek
Coordinates47.15176, -103.61256

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length47.9 ft (14.6 m)
Max Span46.9 ft (14.3 m)
Deck Width16.1 ft (4.9 m)
Deck Area71.5 sq m
Main Spans1
Year Built1995

Traffic

Avg Daily Traffic20 (2018)
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000004103130

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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