Structure 2837 · Genesee County, MI

Stewart Avenue over C&o Railroad

Carries Stewart Avenue over C&o Railroad, In Flint.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT542 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

542 ft end to end, longest span 106 ft: about 1.5 football fields. 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.

Built197947 years old
Length542.0 ft165.2 m
Daily traffic4,891counted 2016
Last inspectedDecember 2023every 24 months

Location

StateMichigan
CountyGenesee
LocationIn Flint
CarriesStewart Avenue
CrossesC&o Railroad
Coordinates43.05407, -83.67947

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length542.0 ft (165.2 m)
Max Span106.0 ft (32.3 m)
Deck Width54.1 ft (16.5 m)
Deck Area2725.8 sq m
Main Spans7
Year Built1979

Traffic

Avg Daily Traffic4,891 (2016)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000002837

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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