Structure 94900094 · Billings County, ND

I-94 Business Loop over Andrews Creek

Carries I-94 Business Loop over Andrews Creek, 1 South Of I-94.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT170 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

170 ft end to end, longest span 63 ft: about 2 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.

Built1963rebuilt 1986
Length169.9 ft51.8 m
Daily traffic730counted 2019
Last inspectedApril 2023every 24 months

Location

StateNorth Dakota
CountyBillings
Location1 South Of I-94
CarriesI-94 Business Loop
CrossesAndrews Creek
Coordinates46.92982, -103.54911

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length169.9 ft (51.8 m)
Max Span63.0 ft (19.2 m)
Deck Width38.4 ft (11.7 m)
Deck Area606.1 sq m
Main Spans3
Year Built1963 (reconstructed 1986)

Traffic

Avg Daily Traffic730 (2019)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0094900094

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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