Structure 2830 · Genesee County, MI

W Second Street over Swartz Creek

Carries W Second Street over Swartz Creek, In City Of Flint.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 2 of 9.

How ratings work
Decksets the rating2/9 · Critical
Superstructuresets the rating2/9 · Critical
Substructuresets the rating2/9 · Critical
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT76 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 2/9Superstructure 2/9Substructure 2/9

76 ft end to end. Lengths and the car 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 deck arch.

Built1919107 years old
Length75.8 ft23.1 m
Daily traffic1,798counted 2021
Last inspectedDecember 2024every 6 months

Location

StateMichigan
CountyGenesee
LocationIn City Of Flint
CarriesW Second Street
CrossesSwartz Creek
Coordinates43.01080, -83.69926

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length75.8 ft (23.1 m)
Max Span69.9 ft (21.3 m)
Deck Width47.2 ft (14.4 m)
Deck Area332.6 sq m
Main Spans1
Year Built1919

Traffic

Avg Daily Traffic1,798 (2021)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 6 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical3 — Scour critical
Structure Number000000000002830

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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