Structure 11946 · Wayne County, MI

I-275 SB over Van Born Road

Carries I-275 SB over Van Born Road, 2.2 Mi W Of Wayne.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT120 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

120 ft end to end. 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.

Built197452 years old
Length120.1 ft36.6 m
Daily traffic78,900counted 2012
Last inspectedAugust 2024every 24 months

Location

StateMichigan
CountyWayne
Location2.2 Mi W Of Wayne
CarriesI-275 SB
CrossesVan Born Road
Coordinates42.26485, -83.44098

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length120.1 ft (36.6 m)
Max Span116.5 ft (35.5 m)
Deck Width55.8 ft (17 m)
Deck Area622.2 sq m
Main Spans1
Year Built1974

Traffic

Avg Daily Traffic78,900 (2012)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000011946

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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