Structure 7000 · Midland County, MI

Stewart Road over Little Salt Creek

Carries Stewart Road over Little Salt Creek, 0.3 Mi E Of Nine Mile RD.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating3/9 · Serious
Substructure4/9 · Poor
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 3/9 · sets the ratingSubstructure 4/9

62 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 multi-beam bridge.

Built1977rebuilt 2003
Length62.0 ft18.9 m
Daily traffic290counted 2020
Last inspectedSeptember 2024every 12 months

Location

StateMichigan
CountyMidland
Location0.3 Mi E Of Nine Mile RD
CarriesStewart Road
CrossesLittle Salt Creek
Coordinates43.57491, -84.42294

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length62.0 ft (18.9 m)
Max Span59.7 ft (18.2 m)
Deck Width27.9 ft (8.5 m)
Deck Area160.7 sq m
Main Spans1
Year Built1977 (reconstructed 2003)

Traffic

Avg Daily Traffic290 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number000000000007000

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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