Structure 927 · Berrien County, MI

I-196 NB over Coloma Road

Carries I-196 NB over Coloma Road, In Riverside.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT124 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

124 ft end to end, longest span 52 ft. 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 2011
Length123.7 ft37.7 m
Daily traffic10,651counted 2007
Last inspectedOctober 2024every 24 months

Location

StateMichigan
CountyBerrien
LocationIn Riverside
CarriesI-196 NB
CrossesColoma Road
Coordinates42.18631, -86.37674

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length123.7 ft (37.7 m)
Max Span51.8 ft (15.8 m)
Deck Width51.5 ft (15.7 m)
Deck Area591.9 sq m
Main Spans3
Year Built1963 (reconstructed 2011)

Traffic

Avg Daily Traffic10,651 (2007)
Truck Traffic34%
Lanes On Bridge3
Lanes Under Bridge3

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000000927

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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