Structure 13702 · Kent County, MI

I-296 NB On Ramp D over Parking Lot/relief

Carries I-296 NB On Ramp D over Parking Lot/relief, In Grand Rapids.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT282 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 5/9

282 ft end to end, longest span 71 ft: about 4 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 1990
Length282.2 ft86 m
Daily traffic4,500counted 2010
Last inspectedOctober 2024every 12 months

Location

StateMichigan
CountyKent
LocationIn Grand Rapids
CarriesI-296 NB On Ramp D
CrossesParking Lot/relief
Coordinates42.96840, -85.67816

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length282.2 ft (86 m)
Max Span70.5 ft (21.5 m)
Deck Width25.9 ft (7.9 m)
Deck Area679.4 sq m
Main Spans4
Year Built1963 (reconstructed 1990)

Traffic

Avg Daily Traffic4,500 (2010)
Truck Traffic9%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000013702

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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