Structure 4955 · Kent County, MI

Us-131 Rmp D NB On over Land At Wealthy Street

Carries Us-131 Rmp D NB On over Land At Wealthy Street, In Grand Rapids.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT466 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

466 ft end to end, longest span 90 ft: about 6 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.

Built1962rebuilt 1999
Length465.6 ft141.9 m
Daily traffic5,100counted 1988
Last inspectedMay 2023every 24 months

Location

StateMichigan
CountyKent
LocationIn Grand Rapids
CarriesUs-131 Rmp D NB On
CrossesLand At Wealthy Street
Coordinates42.95655, -85.67134

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length465.6 ft (141.9 m)
Max Span89.9 ft (27.4 m)
Deck Width24.3 ft (7.4 m)
Deck Area1050.1 sq m
Main Spans8
Year Built1962 (reconstructed 1999)

Traffic

Avg Daily Traffic5,100 (1988)
Truck Traffic8%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000004955

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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